1311308092 has 24 divisors (see below), whose sum is σ = 2305422000. Its totient is φ = 652624896.

The previous prime is 1311308081. The next prime is 1311308093. The reversal of 1311308092 is 2908031131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311308092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311308093) 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, 1226134 + ... + 1227202.

It is an arithmetic number, because the mean of its divisors is an integer number (96059250).

Almost surely, 2^1311308092 is an apocalyptic number.

It is an amenable number.

1311308092 is a deficient number, since it is larger than the sum of its proper divisors (994113908).

1311308092 is a wasteful number, since it uses less digits than its factorization.

1311308092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 2203 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1311308092 is about 36211.9882359420. The cubic root of 1311308092 is about 1094.5482570468.

The spelling of 1311308092 in words is "one billion, three hundred eleven million, three hundred eight thousand, ninety-two".