31052412 has 18 divisors (see below), whose sum is σ = 78493688. Its totient is φ = 10350792.

The previous prime is 31052393. The next prime is 31052419. The reversal of 31052412 is 21425013.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31052419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 431248 + ... + 431319.

Almost surely, 2^31052412 is an apocalyptic number.

It is an amenable number.

31052412 is an abundant number, since it is smaller than the sum of its proper divisors (47441276).

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

31052412 is a wasteful number, since it uses less digits than its factorization.

31052412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862577 (or 862572 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 31052412 is about 5572.4691116237. The cubic root of 31052412 is about 314.3150043147.

Adding to 31052412 its reverse (21425013), we get a palindrome (52477425).

The spelling of 31052412 in words is "thirty-one million, fifty-two thousand, four hundred twelve".