1311690804 has 24 divisors (see below), whose sum is σ = 3061571520. Its totient is φ = 437093184.

The previous prime is 1311690803. The next prime is 1311690827. The reversal of 1311690804 is 4080961131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311690803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27352 + ... + 58064.

It is an arithmetic number, because the mean of its divisors is an integer number (127565480).

Almost surely, 2^1311690804 is an apocalyptic number.

It is an amenable number.

1311690804 is an abundant number, since it is smaller than the sum of its proper divisors (1749880716).

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

1311690804 is a wasteful number, since it uses less digits than its factorization.

1311690804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34279 (or 34277 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1311690804 is about 36217.2721777883. The cubic root of 1311690804 is about 1094.6547298657.

The spelling of 1311690804 in words is "one billion, three hundred eleven million, six hundred ninety thousand, eight hundred four".