1031631252 has 24 divisors (see below), whose sum is σ = 2408292096. Its totient is φ = 343712448.

The previous prime is 1031631233. The next prime is 1031631253. The reversal of 1031631252 is 2521361301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031631253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7008 + ... + 45960.

It is an arithmetic number, because the mean of its divisors is an integer number (100345504).

Almost surely, 2^1031631252 is an apocalyptic number.

1031631252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031631252 is an abundant number, since it is smaller than the sum of its proper divisors (1376660844).

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

1031631252 is a wasteful number, since it uses less digits than its factorization.

1031631252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41167 (or 41165 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1031631252 is about 32119.0169837123. The cubic root of 1031631252 is about 1010.4344933180.

Adding to 1031631252 its reverse (2521361301), we get a palindrome (3552992553).

The spelling of 1031631252 in words is "one billion, thirty-one million, six hundred thirty-one thousand, two hundred fifty-two".