31342044123 has 64 divisors (see below), whose sum is σ = 50673172480. Its totient is φ = 19031169024.

The previous prime is 31342044053. The next prime is 31342044193. The reversal of 31342044123 is 32144024313.

It is an interprime number because it is at equal distance from previous prime (31342044053) and next prime (31342044193).

It is not a de Polignac number, because 31342044123 - 2⁹ = 31342043611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31342044193) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8601540 + ... + 8605182.

It is an arithmetic number, because the mean of its divisors is an integer number (791768320).

Almost surely, 2^31342044123 is an apocalyptic number.

31342044123 is a deficient number, since it is larger than the sum of its proper divisors (19331128357).

31342044123 is a wasteful number, since it uses less digits than its factorization.

31342044123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985 (or 3979 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31342044123 its reverse (32144024313), we get a palindrome (63486068436).

The spelling of 31342044123 in words is "thirty-one billion, three hundred forty-two million, forty-four thousand, one hundred twenty-three".