31313023130 has 16 divisors (see below), whose sum is σ = 56365537824. Its totient is φ = 12524743440.

The previous prime is 31313023127. The next prime is 31313023153. The reversal of 31313023130 is 3132031313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384149 + ... + 458471.

It is an arithmetic number, because the mean of its divisors is an integer number (3522846114).

Almost surely, 2^31313023130 is an apocalyptic number.

31313023130 is a deficient number, since it is larger than the sum of its proper divisors (25052514694).

31313023130 is a wasteful number, since it uses less digits than its factorization.

31313023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116461.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31313023130 its reverse (3132031313), we get a palindrome (34445054443).

The spelling of 31313023130 in words is "thirty-one billion, three hundred thirteen million, twenty-three thousand, one hundred thirty".