313212122031000 has 128 divisors (see below), whose sum is σ = 977711184365760. Its totient is φ = 83481406592000.

The previous prime is 313212122030971. The next prime is 313212122031013. The reversal of 313212122031000 is 130221212313.

It is a super-2 number, since 2×313212122031000² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20149221 + ... + 32131220.

Almost surely, 2^{313212122031000} is an apocalyptic number.

313212122031000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313212122031000 is an abundant number, since it is smaller than the sum of its proper divisors (664499062334760).

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

313212122031000 is a wasteful number, since it uses less digits than its factorization.

313212122031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52282462 (or 52282448 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 313212122031000 its reverse (130221212313), we get a palindrome (313342343243313).

The spelling of 313212122031000 in words is "three hundred thirteen trillion, two hundred twelve billion, one hundred twenty-two million, thirty-one thousand".