1310212656 has 60 divisors (see below), whose sum is σ = 3726911760. Its totient is φ = 429575040.

The previous prime is 1310212637. The next prime is 1310212681. The reversal of 1310212656 is 6562120131.

1310212656 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 2 + 1 + 2 + 656 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65796 + ... + 83363.

It is an arithmetic number, because the mean of its divisors is an integer number (62115196).

Almost surely, 2^1310212656 is an apocalyptic number.

1310212656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1310212656 is an abundant number, since it is smaller than the sum of its proper divisors (2416699104).

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

1310212656 is a wasteful number, since it uses less digits than its factorization.

1310212656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149234 (or 149225 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1310212656 is about 36196.8597532990. The cubic root of 1310212656 is about 1094.2433854963.

Adding to 1310212656 its reverse (6562120131), we get a palindrome (7872332787).

The spelling of 1310212656 in words is "one billion, three hundred ten million, two hundred twelve thousand, six hundred fifty-six".