1331310156 has 48 divisors (see below), whose sum is σ = 3460907520. Its totient is φ = 394841920.

The previous prime is 1331310121. The next prime is 1331310179. The reversal of 1331310156 is 6510131331.

1331310156 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101091 + ... + 113498.

It is an arithmetic number, because the mean of its divisors is an integer number (72102240).

Almost surely, 2^1331310156 is an apocalyptic number.

It is an amenable number.

1331310156 is an abundant number, since it is smaller than the sum of its proper divisors (2129597364).

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

1331310156 is a wasteful number, since it uses less digits than its factorization.

1331310156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214654 (or 214652 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 1331310156 is about 36487.1231532441. The cubic root of 1331310156 is about 1100.0854357884.

Adding to 1331310156 its reverse (6510131331), we get a palindrome (7841441487).

The spelling of 1331310156 in words is "one billion, three hundred thirty-one million, three hundred ten thousand, one hundred fifty-six".