311213132130 has 32 divisors (see below), whose sum is σ = 746984851200. Its totient is φ = 82982020352.

The previous prime is 311213132101. The next prime is 311213132137. The reversal of 311213132130 is 31231312113.

It is a happy number.

It is a super-2 number, since 2×311213132130² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311213132097 and 311213132106.

It is not an unprimeable number, because it can be changed into a prime (311213132137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195450 + ... + 812789.

It is an arithmetic number, because the mean of its divisors is an integer number (23343276600).

Almost surely, 2^311213132130 is an apocalyptic number.

311213132130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311213132130 is an abundant number, since it is smaller than the sum of its proper divisors (435771719070).

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

311213132130 is a wasteful number, since it uses less digits than its factorization.

311213132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018538.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 311213132130 its reverse (31231312113), we get a palindrome (342444444243).

The spelling of 311213132130 in words is "three hundred eleven billion, two hundred thirteen million, one hundred thirty-two thousand, one hundred thirty".