31010123130323 has 4 divisors (see below), whose sum is σ = 32834248020360. Its totient is φ = 29185998240288.

The previous prime is 31010123130241. The next prime is 31010123130353. The reversal of 31010123130323 is 32303132101013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31010123130323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31010123130353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912062444993 + ... + 912062445026.

It is an arithmetic number, because the mean of its divisors is an integer number (8208562005090).

Almost surely, 2^{31010123130323} is an apocalyptic number.

31010123130323 is a deficient number, since it is larger than the sum of its proper divisors (1824124890037).

31010123130323 is a wasteful number, since it uses less digits than its factorization.

31010123130323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824124890036.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31010123130323 its reverse (32303132101013), we get a palindrome (63313255231336).

The spelling of 31010123130323 in words is "thirty-one trillion, ten billion, one hundred twenty-three million, one hundred thirty thousand, three hundred twenty-three".