311300131023 has 24 divisors (see below), whose sum is σ = 513907056000. Its totient is φ = 177880674384.

The previous prime is 311300130971. The next prime is 311300131031. The reversal of 311300131023 is 320131003113.

It is a happy number.

311300131023 is a `hidden beast` number, since 31 + 1 + 300 + 1 + 310 + 23 = 666.

It is not a de Polignac number, because 311300131023 - 2⁶ = 311300130959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311300130987 and 311300131005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311300131073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3788428 + ... + 3869726.

It is an arithmetic number, because the mean of its divisors is an integer number (21412794000).

Almost surely, 2^311300131023 is an apocalyptic number.

311300131023 is a deficient number, since it is larger than the sum of its proper divisors (202606924977).

311300131023 is a wasteful number, since it uses less digits than its factorization.

311300131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142091 (or 142088 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 311300131023 its reverse (320131003113), we get a palindrome (631431134136).

The spelling of 311300131023 in words is "three hundred eleven billion, three hundred million, one hundred thirty-one thousand, twenty-three".