31023130003311 has 16 divisors (see below), whose sum is σ = 41931064634624. Its totient is φ = 20398644517824.

The previous prime is 31023130003199. The next prime is 31023130003337. The reversal of 31023130003311 is 11330003132013.

It is not a de Polignac number, because 31023130003311 - 2³⁵ = 30988770264943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023130003351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46713000 + ... + 47372466.

It is an arithmetic number, because the mean of its divisors is an integer number (2620691539664).

Almost surely, 2^{31023130003311} is an apocalyptic number.

31023130003311 is a deficient number, since it is larger than the sum of its proper divisors (10907934631313).

31023130003311 is a wasteful number, since it uses less digits than its factorization.

31023130003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874350.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 31023130003311 its reverse (11330003132013), we get a palindrome (42353133135324).

The spelling of 31023130003311 in words is "thirty-one trillion, twenty-three billion, one hundred thirty million, three thousand, three hundred eleven".