31102330130 has 8 divisors (see below), whose sum is σ = 55984194252. Its totient is φ = 12440932048.

The previous prime is 31102330123. The next prime is 31102330139. The reversal of 31102330130 is 3103320113.

It can be written as a sum of positive squares in 2 ways, for example, as 29966033449 + 1136296681 = 173107^2 + 33709^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31102330099 and 31102330108.

It is not an unprimeable number, because it can be changed into a prime (31102330139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555116497 + ... + 1555116516.

Almost surely, 2^31102330130 is an apocalyptic number.

31102330130 is a deficient number, since it is larger than the sum of its proper divisors (24881864122).

31102330130 is a wasteful number, since it uses less digits than its factorization.

31102330130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110233020.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31102330130 its reverse (3103320113), we get a palindrome (34205650243).

The spelling of 31102330130 in words is "thirty-one billion, one hundred two million, three hundred thirty thousand, one hundred thirty".