31463252 has 12 divisors (see below), whose sum is σ = 55129620. Its totient is φ = 15711936.

The previous prime is 31463249. The next prime is 31463261. The reversal of 31463252 is 25236413.

It can be written as a sum of positive squares in 2 ways, for example, as 21939856 + 9523396 = 4684^2 + 3086^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977 + ... + 7992.

It is an arithmetic number, because the mean of its divisors is an integer number (4594135).

Almost surely, 2^31463252 is an apocalyptic number.

It is an amenable number.

31463252 is a deficient number, since it is larger than the sum of its proper divisors (23666368).

31463252 is a wasteful number, since it uses less digits than its factorization.

31463252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9850 (or 9848 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 31463252 is about 5609.2113527661. The cubic root of 31463252 is about 315.6951206751.

Adding to 31463252 its reverse (25236413), we get a palindrome (56699665).

The spelling of 31463252 in words is "thirty-one million, four hundred sixty-three thousand, two hundred fifty-two".