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31034323 = 307101089
BaseRepresentation
bin111011001100…
…0101111010011
32011101201002101
41312120233103
530421044243
63025101231
7524534035
oct166305723
964351071
1031034323
1116577601
12a487817
136577a08
14419bc55
152ad054d
hex1d98bd3

31034323 has 4 divisors (see below), whose sum is σ = 31135720. Its totient is φ = 30932928.

The previous prime is 31034303. The next prime is 31034327. The reversal of 31034323 is 32343013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32343013 = 311043323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31034323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31034323.

It is not an unprimeable number, because it can be changed into a prime (31034327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50238 + ... + 50851.

It is an arithmetic number, because the mean of its divisors is an integer number (7783930).

Almost surely, 231034323 is an apocalyptic number.

31034323 is a deficient number, since it is larger than the sum of its proper divisors (101397).

31034323 is a wasteful number, since it uses less digits than its factorization.

31034323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101396.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 31034323 is about 5570.8458065181. The cubic root of 31034323 is about 314.2539596902.

Adding to 31034323 its reverse (32343013), we get a palindrome (63377336).

The spelling of 31034323 in words is "thirty-one million, thirty-four thousand, three hundred twenty-three".

Divisors: 1 307 101089 31034323