31232030103 has 12 divisors (see below), whose sum is σ = 45126817320. Its totient is φ = 20814944976.

The previous prime is 31232030099. The next prime is 31232030147. The reversal of 31232030103 is 30103023213.

31232030103 is a `hidden beast` number, since 312 + 320 + 30 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 31232030103 - 2² = 31232030099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232030603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503076 + ... + 561737.

It is an arithmetic number, because the mean of its divisors is an integer number (3760568110).

Almost surely, 2^31232030103 is an apocalyptic number.

31232030103 is a deficient number, since it is larger than the sum of its proper divisors (13894787217).

31232030103 is a wasteful number, since it uses less digits than its factorization.

31232030103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068078 (or 1068075 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31232030103 its reverse (30103023213), we get a palindrome (61335053316).

The spelling of 31232030103 in words is "thirty-one billion, two hundred thirty-two million, thirty thousand, one hundred three".