31210000320023 has 32 divisors (see below), whose sum is σ = 36939761026560. Its totient is φ = 25800107356800.

The previous prime is 31210000319983. The next prime is 31210000320061. The reversal of 31210000320023 is 32002300001213.

It is not a de Polignac number, because 31210000320023 - 2¹⁴ = 31210000303639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31210000319983 and 31210000320010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31210090320023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2366718236 + ... + 2366731422.

It is an arithmetic number, because the mean of its divisors is an integer number (1154367532080).

Almost surely, 2^{31210000320023} is an apocalyptic number.

31210000320023 is a deficient number, since it is larger than the sum of its proper divisors (5729760706537).

31210000320023 is a wasteful number, since it uses less digits than its factorization.

31210000320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25367.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31210000320023 its reverse (32002300001213), we get a palindrome (63212300321236).

The spelling of 31210000320023 in words is "thirty-one trillion, two hundred ten billion, three hundred twenty thousand, twenty-three".