123100040331 has 32 divisors (see below), whose sum is σ = 193123526400. Its totient is φ = 77229072000.

The previous prime is 123100040321. The next prime is 123100040347. The reversal of 123100040331 is 133040001321.

123100040331 is a `hidden beast` number, since 1 + 231 + 0 + 0 + 0 + 403 + 31 = 666.

It is not a de Polignac number, because 123100040331 - 2¹⁴ = 123100023947 is a prime.

It is a super-2 number, since 2×123100040331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123100040321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5063956 + ... + 5088206.

It is an arithmetic number, because the mean of its divisors is an integer number (6035110200).

Almost surely, 2^123100040331 is an apocalyptic number.

123100040331 is a deficient number, since it is larger than the sum of its proper divisors (70023486069).

123100040331 is a wasteful number, since it uses less digits than its factorization.

123100040331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35336 (or 35330 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123100040331 its reverse (133040001321), we get a palindrome (256140041652).

The spelling of 123100040331 in words is "one hundred twenty-three billion, one hundred million, forty thousand, three hundred thirty-one".