311403015111325 has 12 divisors (see below), whose sum is σ = 386148055165920. Its totient is φ = 249117046651760.

The previous prime is 311403015111323. The next prime is 311403015111367. The reversal of 311403015111325 is 523111510304113.

It is a happy number.

It is not a de Polignac number, because 311403015111325 - 2¹ = 311403015111323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311403015111323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132951739 + ... + 135273688.

It is an arithmetic number, because the mean of its divisors is an integer number (32179004597160).

Almost surely, 2^{311403015111325} is an apocalyptic number.

It is an amenable number.

311403015111325 is a deficient number, since it is larger than the sum of its proper divisors (74745040054595).

311403015111325 is a wasteful number, since it uses less digits than its factorization.

311403015111325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268271876 (or 268271871 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 311403015111325 its reverse (523111510304113), we get a palindrome (834514525415438).

The spelling of 311403015111325 in words is "three hundred eleven trillion, four hundred three billion, fifteen million, one hundred eleven thousand, three hundred twenty-five".