1013431312 has 20 divisors (see below), whose sum is σ = 1972835536. Its totient is φ = 504312480.

The previous prime is 1013431283. The next prime is 1013431339. The reversal of 1013431312 is 2131343101.

1013431312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1013431312.

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, 146718 + ... + 153469.

Almost surely, 2^1013431312 is an apocalyptic number.

It is an amenable number.

1013431312 is a deficient number, since it is larger than the sum of its proper divisors (959404224).

1013431312 is a wasteful number, since it uses less digits than its factorization.

1013431312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300406 (or 300400 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1013431312 is about 31834.4359460004. The cubic root of 1013431312 is about 1004.4572077821.

Adding to 1013431312 its reverse (2131343101), we get a palindrome (3144774413).

The spelling of 1013431312 in words is "one billion, thirteen million, four hundred thirty-one thousand, three hundred twelve".