3131230312122 has 32 divisors (see below), whose sum is σ = 6927997423104. Its totient is φ = 935493476400.

The previous prime is 3131230312117. The next prime is 3131230312127. The reversal of 3131230312122 is 2212130321313.

It is an interprime number because it is at equal distance from previous prime (3131230312117) and next prime (3131230312127).

It is a junction number, because it is equal to n+sod(n) for n = 3131230312092 and 3131230312101.

It is not an unprimeable number, because it can be changed into a prime (3131230312127) 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, 334100128 + ... + 334109499.

It is an arithmetic number, because the mean of its divisors is an integer number (216499919472).

Almost surely, 2^{3131230312122} is an apocalyptic number.

3131230312122 is an abundant number, since it is smaller than the sum of its proper divisors (3796767110982).

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

3131230312122 is a wasteful number, since it uses less digits than its factorization.

3131230312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668209714.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3131230312122 its reverse (2212130321313), we get a palindrome (5343360633435).

The spelling of 3131230312122 in words is "three trillion, one hundred thirty-one billion, two hundred thirty million, three hundred twelve thousand, one hundred twenty-two".