313012000321172 has 24 divisors (see below), whose sum is σ = 556059434706720. Its totient is φ = 154138823578080.

The previous prime is 313012000321171. The next prime is 313012000321289. The reversal of 313012000321172 is 271123000210313.

It is a super-2 number, since 2×313012000321172² (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 (313012000321171) 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, 117108347 + ... + 119751362.

It is an arithmetic number, because the mean of its divisors is an integer number (23169143112780).

Almost surely, 2^{313012000321172} is an apocalyptic number.

It is an amenable number.

313012000321172 is a deficient number, since it is larger than the sum of its proper divisors (243047434385548).

313012000321172 is a wasteful number, since it uses less digits than its factorization.

313012000321172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236864711 (or 236864709 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 313012000321172 its reverse (271123000210313), we get a palindrome (584135000531485).

The spelling of 313012000321172 in words is "three hundred thirteen trillion, twelve billion, three hundred twenty-one thousand, one hundred seventy-two".