31130321310122 has 8 divisors (see below), whose sum is σ = 46695614520096. Its totient is φ = 15565116470092.

The previous prime is 31130321310107. The next prime is 31130321310131. The reversal of 31130321310122 is 22101312303113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21204668 + ... + 22625175.

It is an arithmetic number, because the mean of its divisors is an integer number (5836951815012).

Almost surely, 2^{31130321310122} is an apocalyptic number.

31130321310122 is a deficient number, since it is larger than the sum of its proper divisors (15565293209974).

31130321310122 is a wasteful number, since it uses less digits than its factorization.

31130321310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44184972.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31130321310122 its reverse (22101312303113), we get a palindrome (53231633613235).

The spelling of 31130321310122 in words is "thirty-one trillion, one hundred thirty billion, three hundred twenty-one million, three hundred ten thousand, one hundred twenty-two".