2131332012013 has 4 divisors (see below), whose sum is σ = 2141433111808. Its totient is φ = 2121230912220.

The previous prime is 2131332012001. The next prime is 2131332012031. The reversal of 2131332012013 is 3102102331312.

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 a de Polignac number, because none of the positive numbers 2^k-2131332012013 is a prime.

It is a super-2 number, since 2×2131332012013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131332012053) 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, 5050549581 + ... + 5050550002.

It is an arithmetic number, because the mean of its divisors is an integer number (535358277952).

Almost surely, 2^{2131332012013} is an apocalyptic number.

It is an amenable number.

2131332012013 is a deficient number, since it is larger than the sum of its proper divisors (10101099795).

2131332012013 is a wasteful number, since it uses less digits than its factorization.

2131332012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101099794.

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

Adding to 2131332012013 its reverse (3102102331312), we get a palindrome (5233434343325).

The spelling of 2131332012013 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-two million, twelve thousand, thirteen".