1231032113101 has 16 divisors (see below), whose sum is σ = 1435850064000. Its totient is φ = 1054990968864.

The previous prime is 1231032113089. The next prime is 1231032113107. The reversal of 1231032113101 is 1013112301321.

It is not a de Polignac number, because 1231032113101 - 2¹³ = 1231032104909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231032113107) 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, 1734921 + ... + 2339233.

It is an arithmetic number, because the mean of its divisors is an integer number (89740629000).

Almost surely, 2^{1231032113101} is an apocalyptic number.

It is an amenable number.

1231032113101 is a deficient number, since it is larger than the sum of its proper divisors (204817950899).

1231032113101 is an frugal number, since it uses more digits than its factorization.

1231032113101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610273 (or 610259 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1231032113101 its reverse (1013112301321), we get a palindrome (2244144414422).

The spelling of 1231032113101 in words is "one trillion, two hundred thirty-one billion, thirty-two million, one hundred thirteen thousand, one hundred one".