131331010300021 has 16 divisors (see below), whose sum is σ = 154568633241600. Its totient is φ = 109260702568368.

The previous prime is 131331010299961. The next prime is 131331010300069. The reversal of 131331010300021 is 120003010133131.

It is a cyclic number.

It is not a de Polignac number, because 131331010300021 - 2¹³ = 131331010291829 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 (131331010400021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2012579785 + ... + 2012645038.

It is an arithmetic number, because the mean of its divisors is an integer number (9660539577600).

Almost surely, 2^{131331010300021} is an apocalyptic number.

It is an amenable number.

131331010300021 is a deficient number, since it is larger than the sum of its proper divisors (23237622941579).

131331010300021 is an equidigital number, since it uses as much as digits as its factorization.

131331010300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025224968.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131331010300021 its reverse (120003010133131), we get a palindrome (251334020433152).

The spelling of 131331010300021 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, ten million, three hundred thousand, twenty-one".