1310440012 has 48 divisors (see below), whose sum is σ = 2643300352. Its totient is φ = 556839360.

The previous prime is 1310439997. The next prime is 1310440031. The reversal of 1310440012 is 2100440131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2830093 + ... + 2830555.

Almost surely, 2^1310440012 is an apocalyptic number.

It is an amenable number.

1310440012 is an abundant number, since it is smaller than the sum of its proper divisors (1332860340).

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

1310440012 is a wasteful number, since it uses less digits than its factorization.

1310440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1310440012 is about 36200.0001657459. Note that the first 3 decimals coincide. The cubic root of 1310440012 is about 1094.3066750723.

Adding to 1310440012 its reverse (2100440131), we get a palindrome (3410880143).

The spelling of 1310440012 in words is "one billion, three hundred ten million, four hundred forty thousand, twelve".