1231103310232 has 16 divisors (see below), whose sum is σ = 2351871890640. Its totient is φ = 603937472736.

The previous prime is 1231103310221. The next prime is 1231103310247. The reversal of 1231103310232 is 2320133011321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451772348 + ... + 1451773195.

It is an arithmetic number, because the mean of its divisors is an integer number (146991993165).

Almost surely, 2^{1231103310232} is an apocalyptic number.

It is an amenable number.

1231103310232 is a deficient number, since it is larger than the sum of its proper divisors (1120768580408).

1231103310232 is a wasteful number, since it uses less digits than its factorization.

1231103310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903545602 (or 2903545598 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1231103310232 its reverse (2320133011321), we get a palindrome (3551236321553).

The spelling of 1231103310232 in words is "one trillion, two hundred thirty-one billion, one hundred three million, three hundred ten thousand, two hundred thirty-two".