31301220102130 has 32 divisors (see below), whose sum is σ = 61475599555200. Its totient is φ = 11380153422720.

The previous prime is 31301220102127. The next prime is 31301220102161. The reversal of 31301220102130 is 3120102210313.

It is a junction number, because it is equal to n+sod(n) for n = 31301220102098 and 31301220102107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25758819 + ... + 26946598.

It is an arithmetic number, because the mean of its divisors is an integer number (1921112486100).

Almost surely, 2^{31301220102130} is an apocalyptic number.

31301220102130 is a deficient number, since it is larger than the sum of its proper divisors (30174379453070).

31301220102130 is a wasteful number, since it uses less digits than its factorization.

31301220102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52710834.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31301220102130 its reverse (3120102210313), we get a palindrome (34421322312443).

The spelling of 31301220102130 in words is "thirty-one trillion, three hundred one billion, two hundred twenty million, one hundred two thousand, one hundred thirty".