3131302212130 has 16 divisors (see below), whose sum is σ = 5637721124664. Its totient is φ = 1252214853120.

The previous prime is 3131302212109. The next prime is 3131302212131. The reversal of 3131302212130 is 312122031313.

It can be written as a sum of positive squares in 4 ways, for example, as 1642875372009 + 1488426840121 = 1281747^2 + 1220011^2 .

It is not an unprimeable number, because it can be changed into a prime (3131302212131) 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, 38210991 + ... + 38292850.

Almost surely, 2^{3131302212130} is an apocalyptic number.

3131302212130 is a deficient number, since it is larger than the sum of its proper divisors (2506418912534).

3131302212130 is a wasteful number, since it uses less digits than its factorization.

3131302212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76507941.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3131302212130 its reverse (312122031313), we get a palindrome (3443424243443).

The spelling of 3131302212130 in words is "three trillion, one hundred thirty-one billion, three hundred two million, two hundred twelve thousand, one hundred thirty".