131422342011021 has 6 divisors (see below), whose sum is σ = 189832271793710. Its totient is φ = 87614894674008.

The previous prime is 131422342010969. The next prime is 131422342011061. The reversal of 131422342011021 is 120110243224131.

131422342011021 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 223 + 420 + 1 + 10 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 114001852437225 + 17420489573796 = 10677165^2 + 4173786^2 .

It is not a de Polignac number, because 131422342011021 - 2¹⁵ = 131422341978253 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 (131422342011061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7301241222826 + ... + 7301241222843.

Almost surely, 2^{131422342011021} is an apocalyptic number.

It is an amenable number.

131422342011021 is a deficient number, since it is larger than the sum of its proper divisors (58409929782689).

131422342011021 is a wasteful number, since it uses less digits than its factorization.

131422342011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14602482445675 (or 14602482445672 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 131422342011021 its reverse (120110243224131), we get a palindrome (251532585235152).

The spelling of 131422342011021 in words is "one hundred thirty-one trillion, four hundred twenty-two billion, three hundred forty-two million, eleven thousand, twenty-one".