313212451561262 has 16 divisors (see below), whose sum is σ = 518704520003712. Its totient is φ = 140654003438520.

The previous prime is 313212451561241. The next prime is 313212451561267. The reversal of 313212451561262 is 262165154212313.

It is a happy number.

It is a super-2 number, since 2×313212451561262² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313212451561267) 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, 85764634418 + ... + 85764638069.

It is an arithmetic number, because the mean of its divisors is an integer number (32419032500232).

Almost surely, 2^{313212451561262} is an apocalyptic number.

313212451561262 is a deficient number, since it is larger than the sum of its proper divisors (205492068442450).

313212451561262 is a wasteful number, since it uses less digits than its factorization.

313212451561262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171529272583.

The product of its digits is 518400, while the sum is 44.

The spelling of 313212451561262 in words is "three hundred thirteen trillion, two hundred twelve billion, four hundred fifty-one million, five hundred sixty-one thousand, two hundred sixty-two".