311331312130 has 32 divisors (see below), whose sum is σ = 567625006080. Its totient is φ = 122934594240.

The previous prime is 311331312121. The next prime is 311331312163. The reversal of 311331312130 is 31213133113.

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, 231594 + ... + 822373.

It is an arithmetic number, because the mean of its divisors is an integer number (17738281440).

Almost surely, 2^311331312130 is an apocalyptic number.

311331312130 is a deficient number, since it is larger than the sum of its proper divisors (256293693950).

311331312130 is a wasteful number, since it uses less digits than its factorization.

311331312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054354.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 311331312130 its reverse (31213133113), we get a palindrome (342544445243).

The spelling of 311331312130 in words is "three hundred eleven billion, three hundred thirty-one million, three hundred twelve thousand, one hundred thirty".