31041402 has 48 divisors (see below), whose sum is σ = 76033440. Its totient is φ = 8400672.

The previous prime is 31041401. The next prime is 31041403. The reversal of 31041402 is 20414013.

It is an interprime number because it is at equal distance from previous prime (31041401) and next prime (31041403).

It is not an unprimeable number, because it can be changed into a prime (31041401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2808 + ... + 8364.

It is an arithmetic number, because the mean of its divisors is an integer number (1584030).

Almost surely, 2^31041402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31041402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38016720).

31041402 is an abundant number, since it is smaller than the sum of its proper divisors (44992038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31041402 is a wasteful number, since it uses less digits than its factorization.

31041402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595 (or 5588 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 31041402 is about 5571.4811316202. The cubic root of 31041402 is about 314.2778518891.

Adding to 31041402 its reverse (20414013), we get a palindrome (51455415).

The spelling of 31041402 in words is "thirty-one million, forty-one thousand, four hundred two".