1231301113202 has 16 divisors (see below), whose sum is σ = 1856610378072. Its totient is φ = 612431293440.

The previous prime is 1231301113181. The next prime is 1231301113213. The reversal of 1231301113202 is 2023111031321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 740854411441 + 490446701761 = 860729^2 + 700319^2 .

It is a super-2 number, since 2×1231301113202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9553952 + ... + 9681972.

Almost surely, 2^{1231301113202} is an apocalyptic number.

1231301113202 is a deficient number, since it is larger than the sum of its proper divisors (625309264870).

1231301113202 is a wasteful number, since it uses less digits than its factorization.

1231301113202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153133.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1231301113202 its reverse (2023111031321), we get a palindrome (3254412144523).

The spelling of 1231301113202 in words is "one trillion, two hundred thirty-one billion, three hundred one million, one hundred thirteen thousand, two hundred two".