123302003131031 has 4 divisors (see below), whose sum is σ = 123302821362864. Its totient is φ = 123301184899200.

The previous prime is 123302003131007. The next prime is 123302003131037. The reversal of 123302003131031 is 130131300203321.

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

It is a cyclic number.

It is not a de Polignac number, because 123302003131031 - 2⁶ = 123302003130967 is a prime.

It is a super-2 number, since 2×123302003131031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123302003130988 and 123302003131006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123302003131037) 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, 408889835 + ... + 409191276.

It is an arithmetic number, because the mean of its divisors is an integer number (30825705340716).

Almost surely, 2^{123302003131031} is an apocalyptic number.

123302003131031 is a deficient number, since it is larger than the sum of its proper divisors (818231833).

123302003131031 is an equidigital number, since it uses as much as digits as its factorization.

123302003131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818231832.

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

Adding to 123302003131031 its reverse (130131300203321), we get a palindrome (253433303334352).

The spelling of 123302003131031 in words is "one hundred twenty-three trillion, three hundred two billion, three million, one hundred thirty-one thousand, thirty-one".