1031312032 has 24 divisors (see below), whose sum is σ = 2079920052. Its totient is φ = 503078400.

The previous prime is 1031312027. The next prime is 1031312053. The reversal of 1031312032 is 2302131301.

It can be written as a sum of positive squares in 2 ways, for example, as 766403856 + 264908176 = 27684^2 + 16276^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1031311997 and 1031312015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391719 + ... + 394342.

Almost surely, 2^1031312032 is an apocalyptic number.

It is an amenable number.

1031312032 is an abundant number, since it is smaller than the sum of its proper divisors (1048608020).

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

1031312032 is an equidigital number, since it uses as much as digits as its factorization.

1031312032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786112 (or 786104 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1031312032 is about 32114.0472690690. The cubic root of 1031312032 is about 1010.3302622202.

Adding to 1031312032 its reverse (2302131301), we get a palindrome (3333443333).

The spelling of 1031312032 in words is "one billion, thirty-one million, three hundred twelve thousand, thirty-two".