131222030323021 has 16 divisors (see below), whose sum is σ = 143382934094400. Its totient is φ = 119099767651200.

The previous prime is 131222030322967. The next prime is 131222030323031. The reversal of 131222030323021 is 120323030222131.

It is a cyclic number.

It is not a de Polignac number, because 131222030323021 - 2²⁵ = 131221996768589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222030323031) 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, 71650951 + ... + 73459531.

It is an arithmetic number, because the mean of its divisors is an integer number (8961433380900).

Almost surely, 2^{131222030323021} is an apocalyptic number.

131222030323021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131222030323021 is a deficient number, since it is larger than the sum of its proper divisors (12160903771379).

131222030323021 is a wasteful number, since it uses less digits than its factorization.

131222030323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819260.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 131222030323021 its reverse (120323030222131), we get a palindrome (251545060545152).

The spelling of 131222030323021 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, thirty million, three hundred twenty-three thousand, twenty-one".