1331131012 has 12 divisors (see below), whose sum is σ = 2331011536. Its totient is φ = 665127720.

The previous prime is 1331131007. The next prime is 1331131057. The reversal of 1331131012 is 2101311331.

It is a super-2 number, since 2×1331131012² = 3543819542216288288, which contains 22 as substring.

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, 102558 + ... + 114805.

Almost surely, 2^1331131012 is an apocalyptic number.

It is an amenable number.

1331131012 is a deficient number, since it is larger than the sum of its proper divisors (999880524).

1331131012 is a wasteful number, since it uses less digits than its factorization.

1331131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218898 (or 218896 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1331131012 is about 36484.6681771947. The cubic root of 1331131012 is about 1100.0360902759.

Adding to 1331131012 its reverse (2101311331), we get a palindrome (3432442343).

The spelling of 1331131012 in words is "one billion, three hundred thirty-one million, one hundred thirty-one thousand, twelve".