123032131004531 has 48 divisors (see below), whose sum is σ = 150250441282560. Its totient is φ = 100317427560000.

The previous prime is 123032131004527. The next prime is 123032131004567. The reversal of 123032131004531 is 135400131230321.

It is not a de Polignac number, because 123032131004531 - 2² = 123032131004527 is a prime.

It is a super-2 number, since 2×123032131004531² (a number of 29 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 = 123032131004494 and 123032131004503.

It is not an unprimeable number, because it can be changed into a prime (123032131004501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1524502481 + ... + 1524583181.

It is an arithmetic number, because the mean of its divisors is an integer number (3130217526720).

Almost surely, 2^{123032131004531} is an apocalyptic number.

123032131004531 is a deficient number, since it is larger than the sum of its proper divisors (27218310278029).

123032131004531 is a wasteful number, since it uses less digits than its factorization.

123032131004531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97816 (or 97809 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 123032131004531 its reverse (135400131230321), we get a palindrome (258432262234852).

The spelling of 123032131004531 in words is "one hundred twenty-three trillion, thirty-two billion, one hundred thirty-one million, four thousand, five hundred thirty-one".