1311375004 has 6 divisors (see below), whose sum is σ = 2294906264. Its totient is φ = 655687500.

The previous prime is 1311374947. The next prime is 1311375007. The reversal of 1311375004 is 4005731131.

It is a super-2 number, since 2×1311375004² = 3439408802232000032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1311375004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311375007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163921872 + ... + 163921879.

Almost surely, 2^1311375004 is an apocalyptic number.

It is an amenable number.

1311375004 is a deficient number, since it is larger than the sum of its proper divisors (983531260).

1311375004 is a wasteful number, since it uses less digits than its factorization.

1311375004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327843755 (or 327843753 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1311375004 is about 36212.9121170888. The cubic root of 1311375004 is about 1094.5668738686.

The spelling of 1311375004 in words is "one billion, three hundred eleven million, three hundred seventy-five thousand, four".