31043032130 has 32 divisors (see below), whose sum is σ = 60991686720. Its totient is φ = 11281993920.

The previous prime is 31043032117. The next prime is 31043032159. The reversal of 31043032130 is 3123034013.

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, 117917 + ... + 275663.

It is an arithmetic number, because the mean of its divisors is an integer number (1905990210).

Almost surely, 2^31043032130 is an apocalyptic number.

31043032130 is a deficient number, since it is larger than the sum of its proper divisors (29948654590).

31043032130 is a wasteful number, since it uses less digits than its factorization.

31043032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159554.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31043032130 its reverse (3123034013), we get a palindrome (34166066143).

The spelling of 31043032130 in words is "thirty-one billion, forty-three million, thirty-two thousand, one hundred thirty".