131312111203021 has 32 divisors (see below), whose sum is σ = 152307349129728. Its totient is φ = 110879664445440.

The previous prime is 131312111203003. The next prime is 131312111203073. The reversal of 131312111203021 is 120302111213131.

It is a cyclic number.

It is not a de Polignac number, because 131312111203021 - 2⁵ = 131312111202989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131312111202983 and 131312111203001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131312141203021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3514665381 + ... + 3514702741.

It is an arithmetic number, because the mean of its divisors is an integer number (4759604660304).

Almost surely, 2^{131312111203021} is an apocalyptic number.

It is an amenable number.

131312111203021 is a deficient number, since it is larger than the sum of its proper divisors (20995237926707).

131312111203021 is an equidigital number, since it uses as much as digits as its factorization.

131312111203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45421.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 131312111203021 its reverse (120302111213131), we get a palindrome (251614222416152).

The spelling of 131312111203021 in words is "one hundred thirty-one trillion, three hundred twelve billion, one hundred eleven million, two hundred three thousand, twenty-one".