2131313311301 has 4 divisors (see below), whose sum is σ = 2256684682572. Its totient is φ = 2005941940032.

The previous prime is 2131313311291. The next prime is 2131313311327. The reversal of 2131313311301 is 1031133131312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1712996704225 + 418316607076 = 1308815^2 + 646774^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131313311301 - 2²² = 2131309116997 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 (2131313313301) 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, 62685685610 + ... + 62685685643.

It is an arithmetic number, because the mean of its divisors is an integer number (564171170643).

Almost surely, 2^{2131313311301} is an apocalyptic number.

It is an amenable number.

2131313311301 is a deficient number, since it is larger than the sum of its proper divisors (125371371271).

2131313311301 is a wasteful number, since it uses less digits than its factorization.

2131313311301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125371371270.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 2131313311301 its reverse (1031133131312), we get a palindrome (3162446442613).

The spelling of 2131313311301 in words is "two trillion, one hundred thirty-one billion, three hundred thirteen million, three hundred eleven thousand, three hundred one".