202131443122407 has 6 divisors (see below), whose sum is σ = 291967640065712. Its totient is φ = 134754295414932.

The previous prime is 202131443122393. The next prime is 202131443122423. The reversal of 202131443122407 is 704221344131202.

202131443122407 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 314 + 4 + 312 + 24 + 0 + 7 = 666.

It is not a de Polignac number, because 202131443122407 - 2¹⁴ = 202131443106023 is a prime.

It is a super-2 number, since 2×202131443122407² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202131443127407) 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, 11229524617903 + ... + 11229524617920.

Almost surely, 2^{202131443122407} is an apocalyptic number.

202131443122407 is a deficient number, since it is larger than the sum of its proper divisors (89836196943305).

202131443122407 is a wasteful number, since it uses less digits than its factorization.

202131443122407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22459049235829 (or 22459049235826 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

Adding to 202131443122407 its reverse (704221344131202), we get a palindrome (906352787253609).

The spelling of 202131443122407 in words is "two hundred two trillion, one hundred thirty-one billion, four hundred forty-three million, one hundred twenty-two thousand, four hundred seven".