311131132130 has 128 divisors (see below), whose sum is σ = 697635348480. Its totient is φ = 97278693120.

The previous prime is 311131132127. The next prime is 311131132153. The reversal of 311131132130 is 31231131113.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36899015 + ... + 36907445.

It is an arithmetic number, because the mean of its divisors is an integer number (5450276160).

Almost surely, 2^311131132130 is an apocalyptic number.

311131132130 is an abundant number, since it is smaller than the sum of its proper divisors (386504216350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311131132130 is a wasteful number, since it uses less digits than its factorization.

311131132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8944.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 311131132130 its reverse (31231131113), we get a palindrome (342362263243).

The spelling of 311131132130 in words is "three hundred eleven billion, one hundred thirty-one million, one hundred thirty-two thousand, one hundred thirty".