31130131300102 has 32 divisors (see below), whose sum is σ = 47432042311680. Its totient is φ = 15320733829440.

The previous prime is 31130131300069. The next prime is 31130131300157. The reversal of 31130131300102 is 20100313103113.

It is a self number, because there is not a number n which added to its sum of digits gives 31130131300102.

It is a congruent number.

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, 70821333 + ... + 71259535.

It is an arithmetic number, because the mean of its divisors is an integer number (1482251322240).

Almost surely, 2^{31130131300102} is an apocalyptic number.

31130131300102 is a deficient number, since it is larger than the sum of its proper divisors (16301911011578).

31130131300102 is a wasteful number, since it uses less digits than its factorization.

31130131300102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439668.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31130131300102 its reverse (20100313103113), we get a palindrome (51230444403215).

The spelling of 31130131300102 in words is "thirty-one trillion, one hundred thirty billion, one hundred thirty-one million, three hundred thousand, one hundred two".