31232103123 has 32 divisors (see below), whose sum is σ = 45518699520. Its totient is φ = 18933108480.

The previous prime is 31232103103. The next prime is 31232103137. The reversal of 31232103123 is 32130123213.

It is not a de Polignac number, because 31232103123 - 2²⁵ = 31198548691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31232103123.

It is not an unprimeable number, because it can be changed into a prime (31232103103) 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, 924040 + ... + 957242.

It is an arithmetic number, because the mean of its divisors is an integer number (1422459360).

Almost surely, 2^31232103123 is an apocalyptic number.

31232103123 is a deficient number, since it is larger than the sum of its proper divisors (14286596397).

31232103123 is a wasteful number, since it uses less digits than its factorization.

31232103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33579.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31232103123 its reverse (32130123213), we get a palindrome (63362226336).

The spelling of 31232103123 in words is "thirty-one billion, two hundred thirty-two million, one hundred three thousand, one hundred twenty-three".