311332312023 has 16 divisors (see below), whose sum is σ = 416927900160. Its totient is φ = 206646138944.

The previous prime is 311332312003. The next prime is 311332312037. The reversal of 311332312023 is 320213233113.

It is a cyclic number.

It is not a de Polignac number, because 311332312023 - 2⁵ = 311332311991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311332311984 and 311332312002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311332312003) 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, 3891715 + ... + 3970907.

It is an arithmetic number, because the mean of its divisors is an integer number (26057993760).

Almost surely, 2^311332312023 is an apocalyptic number.

311332312023 is a deficient number, since it is larger than the sum of its proper divisors (105595588137).

311332312023 is a wasteful number, since it uses less digits than its factorization.

311332312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84918.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 311332312023 its reverse (320213233113), we get a palindrome (631545545136).

The spelling of 311332312023 in words is "three hundred eleven billion, three hundred thirty-two million, three hundred twelve thousand, twenty-three".