312101002131 has 16 divisors (see below), whose sum is σ = 422977927680. Its totient is φ = 204646050720.

The previous prime is 312101002121. The next prime is 312101002133. The reversal of 312101002131 is 131200101213.

It is a happy number.

It is not a de Polignac number, because 312101002131 - 2⁶ = 312101002067 is a prime.

It is a super-2 number, since 2×312101002131² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312101002131.

It is not an unprimeable number, because it can be changed into a prime (312101002133) 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, 5601910 + ... + 5657348.

It is an arithmetic number, because the mean of its divisors is an integer number (26436120480).

Almost surely, 2^312101002131 is an apocalyptic number.

312101002131 is a deficient number, since it is larger than the sum of its proper divisors (110876925549).

312101002131 is a wasteful number, since it uses less digits than its factorization.

312101002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86266.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 312101002131 its reverse (131200101213), we get a palindrome (443301103344).

The spelling of 312101002131 in words is "three hundred twelve billion, one hundred one million, two thousand, one hundred thirty-one".