2131131233113 has 4 divisors (see below), whose sum is σ = 2131135241488. Its totient is φ = 2131127224740.

The previous prime is 2131131233087. The next prime is 2131131233149. The reversal of 2131131233113 is 3113321311312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2131131233113 - 2³⁷ = 1993692279641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131131233213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057683 + ... + 2319688.

It is an arithmetic number, because the mean of its divisors is an integer number (532783810372).

Almost surely, 2^{2131131233113} is an apocalyptic number.

It is an amenable number.

2131131233113 is a deficient number, since it is larger than the sum of its proper divisors (4008375).

2131131233113 is an equidigital number, since it uses as much as digits as its factorization.

2131131233113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008374.

The product of its digits is 972, while the sum is 25.

Adding to 2131131233113 its reverse (3113321311312), we get a palindrome (5244452544425).

The spelling of 2131131233113 in words is "two trillion, one hundred thirty-one billion, one hundred thirty-one million, two hundred thirty-three thousand, one hundred thirteen".