102314431 has 4 divisors (see below), whose sum is σ = 102886200. Its totient is φ = 101742664.

The previous prime is 102314423. The next prime is 102314447. The reversal of 102314431 is 134413201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102314431 - 2³ = 102314423 is a prime.

It is a super-2 number, since 2×102314431² = 20936485581707522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102314399 and 102314408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102317431) 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, 285616 + ... + 285973.

It is an arithmetic number, because the mean of its divisors is an integer number (25721550).

Almost surely, 2^102314431 is an apocalyptic number.

102314431 is a deficient number, since it is larger than the sum of its proper divisors (571769).

102314431 is an equidigital number, since it uses as much as digits as its factorization.

102314431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571768.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 102314431 is about 10115.0596142583. The cubic root of 102314431 is about 467.7124865518.

Adding to 102314431 its reverse (134413201), we get a palindrome (236727632).

The spelling of 102314431 in words is "one hundred two million, three hundred fourteen thousand, four hundred thirty-one".