10131131311021 has 8 divisors (see below), whose sum is σ = 11588239718784. Its totient is φ = 8676473886960.

The previous prime is 10131131310953. The next prime is 10131131311061. The reversal of 10131131311021 is 12011313113101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10131131311021 - 2⁷ = 10131131310893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10131131311021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131131311061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612737065 + ... + 612753598.

It is an arithmetic number, because the mean of its divisors is an integer number (1448529964848).

Almost surely, 2^{10131131311021} is an apocalyptic number.

It is an amenable number.

10131131311021 is a deficient number, since it is larger than the sum of its proper divisors (1457108407763).

10131131311021 is a wasteful number, since it uses less digits than its factorization.

10131131311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225491851.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 10131131311021 its reverse (12011313113101), we get a palindrome (22142444424122).

The spelling of 10131131311021 in words is "ten trillion, one hundred thirty-one billion, one hundred thirty-one million, three hundred eleven thousand, twenty-one".