31031052 has 48 divisors (see below), whose sum is σ = 82569312. Its totient is φ = 8985600.

The previous prime is 31031051. The next prime is 31031081. The reversal of 31031052 is 25013013.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31031051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3199 + ... + 8502.

It is an arithmetic number, because the mean of its divisors is an integer number (1720194).

Almost surely, 2^31031052 is an apocalyptic number.

It is an amenable number.

31031052 is an abundant number, since it is smaller than the sum of its proper divisors (51538260).

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

31031052 is a wasteful number, since it uses less digits than its factorization.

31031052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11738 (or 11736 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 31031052 is about 5570.5522167914. The cubic root of 31031052 is about 314.2429185727.

Adding to 31031052 its reverse (25013013), we get a palindrome (56044065).

The spelling of 31031052 in words is "thirty-one million, thirty-one thousand, fifty-two".