31330332122323 has 16 divisors (see below), whose sum is σ = 34362422168256. Its totient is φ = 28390604820480.

The previous prime is 31330332122263. The next prime is 31330332122329. The reversal of 31330332122323 is 32322123303313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31330332122323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31330332122329) 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, 72626190 + ... + 73056307.

It is an arithmetic number, because the mean of its divisors is an integer number (2147651385516).

Almost surely, 2^{31330332122323} is an apocalyptic number.

31330332122323 is a deficient number, since it is larger than the sum of its proper divisors (3032090045933).

31330332122323 is a wasteful number, since it uses less digits than its factorization.

31330332122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145682814.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 31330332122323 its reverse (32322123303313), we get a palindrome (63652455425636).

The spelling of 31330332122323 in words is "thirty-one trillion, three hundred thirty billion, three hundred thirty-two million, one hundred twenty-two thousand, three hundred twenty-three".