31023111023203 has 12 divisors (see below), whose sum is σ = 33915596085840. Its totient is φ = 28209304114992.

The previous prime is 31023111023143. The next prime is 31023111023227. The reversal of 31023111023203 is 30232011132013.

It is not a de Polignac number, because 31023111023203 - 2³³ = 31014521088611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31023111023243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265746183 + ... + 265862896.

It is an arithmetic number, because the mean of its divisors is an integer number (2826299673820).

Almost surely, 2^{31023111023203} is an apocalyptic number.

31023111023203 is a deficient number, since it is larger than the sum of its proper divisors (2892485062637).

31023111023203 is an equidigital number, since it uses as much as digits as its factorization.

31023111023203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531609226 (or 531609159 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31023111023203 its reverse (30232011132013), we get a palindrome (61255122155216).

The spelling of 31023111023203 in words is "thirty-one trillion, twenty-three billion, one hundred eleven million, twenty-three thousand, two hundred three".