31030013303130 has 32 divisors (see below), whose sum is σ = 74472199455744. Its totient is φ = 8274651599936.

The previous prime is 31030013303101. The next prime is 31030013303183. The reversal of 31030013303130 is 3130331003013.

It is a junction number, because it is equal to n+sod(n) for n = 31030013303097 and 31030013303106.

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, 17089732 + ... + 18818048.

It is an arithmetic number, because the mean of its divisors is an integer number (2327256232992).

Almost surely, 2^{31030013303130} is an apocalyptic number.

31030013303130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31030013303130 is an abundant number, since it is smaller than the sum of its proper divisors (43442186152614).

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

31030013303130 is a wasteful number, since it uses less digits than its factorization.

31030013303130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326790.

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 31030013303130 its reverse (3130331003013), we get a palindrome (34160344306143).

The spelling of 31030013303130 in words is "thirty-one trillion, thirty billion, thirteen million, three hundred three thousand, one hundred thirty".