93160131221 has 2 divisors, whose sum is σ = 93160131222. Its totient is φ = 93160131220.

The previous prime is 93160131191. The next prime is 93160131263. The reversal of 93160131221 is 12213106139.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79239435025 + 13920696196 = 281495^2 + 117986^2 .

It is a cyclic number.

It is not a de Polignac number, because 93160131221 - 2⁶ = 93160131157 is a prime.

It is a super-2 number, since 2×93160131221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93160131271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46580065610 + 46580065611.

It is an arithmetic number, because the mean of its divisors is an integer number (46580065611).

Almost surely, 2^93160131221 is an apocalyptic number.

It is an amenable number.

93160131221 is a deficient number, since it is larger than the sum of its proper divisors (1).

93160131221 is an equidigital number, since it uses as much as digits as its factorization.

93160131221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 93160131221 in words is "ninety-three billion, one hundred sixty million, one hundred thirty-one thousand, two hundred twenty-one".