23031200103031 has 4 divisors (see below), whose sum is σ = 23069142772672. Its totient is φ = 22993257433392.

The previous prime is 23031200102993. The next prime is 23031200103061. The reversal of 23031200103031 is 13030100213032.

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-23031200103031 is a prime.

It is a super-2 number, since 2×23031200103031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031200103061) 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 3 ways as a sum of consecutive naturals, for example, 18971333910 + ... + 18971335123.

It is an arithmetic number, because the mean of its divisors is an integer number (5767285693168).

Almost surely, 2^{23031200103031} is an apocalyptic number.

23031200103031 is a deficient number, since it is larger than the sum of its proper divisors (37942669641).

23031200103031 is an equidigital number, since it uses as much as digits as its factorization.

23031200103031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37942669640.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23031200103031 its reverse (13030100213032), we get a palindrome (36061300316063).

The spelling of 23031200103031 in words is "twenty-three trillion, thirty-one billion, two hundred million, one hundred three thousand, thirty-one".