312131124021301 has 16 divisors (see below), whose sum is σ = 346985280165888. Its totient is φ = 278826163804800.

The previous prime is 312131124021287. The next prime is 312131124021317. The reversal of 312131124021301 is 103120421131213.

It is not a de Polignac number, because 312131124021301 - 2²⁵ = 312131090466869 is a prime.

It is a super-2 number, since 2×312131124021301² (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 (312131124021401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288999156 + ... + 290077186.

It is an arithmetic number, because the mean of its divisors is an integer number (21686580010368).

Almost surely, 2^{312131124021301} is an apocalyptic number.

312131124021301 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

312131124021301 is a deficient number, since it is larger than the sum of its proper divisors (34854156144587).

312131124021301 is a wasteful number, since it uses less digits than its factorization.

312131124021301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796532.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 312131124021301 its reverse (103120421131213), we get a palindrome (415251545152514).

The spelling of 312131124021301 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred twenty-four million, twenty-one thousand, three hundred one".