31033113130130 has 16 divisors (see below), whose sum is σ = 55859688929304. Its totient is φ = 12413226297600.

The previous prime is 31033113130111. The next prime is 31033113130213. The reversal of 31033113130130 is 3103131133013.

It can be written as a sum of positive squares in 4 ways, for example, as 17697696300769 + 13335416829361 = 4206863^2 + 3651769^2 .

It is a super-2 number, since 2×31033113130130² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31033113130096 and 31033113130105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5872280 + ... + 9825980.

Almost surely, 2^{31033113130130} is an apocalyptic number.

31033113130130 is a deficient number, since it is larger than the sum of its proper divisors (24826575799174).

31033113130130 is a wasteful number, since it uses less digits than its factorization.

31033113130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738621.

The product of its (nonzero) digits is 729, while the sum is 23.

Adding to 31033113130130 its reverse (3103131133013), we get a palindrome (34136244263143).

The spelling of 31033113130130 in words is "thirty-one trillion, thirty-three billion, one hundred thirteen million, one hundred thirty thousand, one hundred thirty".