123132330031 has 16 divisors (see below), whose sum is σ = 133051763200. Its totient is φ = 113597235648.

The previous prime is 123132329939. The next prime is 123132330053. The reversal of 123132330031 is 130033231321.

It is a cyclic number.

It is not a de Polignac number, because 123132330031 - 2¹³ = 123132321839 is a prime.

It is a super-2 number, since 2×123132330031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123132329984 and 123132330011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123132330071) 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, 452301 + ... + 671446.

It is an arithmetic number, because the mean of its divisors is an integer number (8315735200).

Almost surely, 2^123132330031 is an apocalyptic number.

123132330031 is a deficient number, since it is larger than the sum of its proper divisors (9919433169).

123132330031 is a wasteful number, since it uses less digits than its factorization.

123132330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123918.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123132330031 its reverse (130033231321), we get a palindrome (253165561352).

The spelling of 123132330031 in words is "one hundred twenty-three billion, one hundred thirty-two million, three hundred thirty thousand, thirty-one".