311332130320031 has 8 divisors (see below), whose sum is σ = 312155662040880. Its totient is φ = 310508981912448.

The previous prime is 311332130320027. The next prime is 311332130320033. The reversal of 311332130320031 is 130023031233113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311332130320031 - 2² = 311332130320027 is a prime.

It is a super-2 number, since 2×311332130320031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311332130320033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94201706 + ... + 97450631.

It is an arithmetic number, because the mean of its divisors is an integer number (39019457755110).

Almost surely, 2^{311332130320031} is an apocalyptic number.

311332130320031 is a deficient number, since it is larger than the sum of its proper divisors (823531720849).

311332130320031 is a wasteful number, since it uses less digits than its factorization.

311332130320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191656633.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 311332130320031 its reverse (130023031233113), we get a palindrome (441355161553144).

The spelling of 311332130320031 in words is "three hundred eleven trillion, three hundred thirty-two billion, one hundred thirty million, three hundred twenty thousand, thirty-one".