1312401032 has 32 divisors (see below), whose sum is σ = 2548891800. Its totient is φ = 632755200.

The previous prime is 1312401023. The next prime is 1312401047. The reversal of 1312401032 is 2301042131.

It can be written as a sum of positive squares in 4 ways, for example, as 802815556 + 509585476 = 28334^2 + 22574^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1312401032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201182 + ... + 207602.

Almost surely, 2^1312401032 is an apocalyptic number.

It is an amenable number.

1312401032 is a deficient number, since it is larger than the sum of its proper divisors (1236490768).

1312401032 is a wasteful number, since it uses less digits than its factorization.

1312401032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337 (or 7333 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1312401032 is about 36227.0759515587. The cubic root of 1312401032 is about 1094.8522647723.

Adding to 1312401032 its reverse (2301042131), we get a palindrome (3613443163).

The spelling of 1312401032 in words is "one billion, three hundred twelve million, four hundred one thousand, thirty-two".