351142133003581 has 2 divisors, whose sum is σ = 351142133003582. Its totient is φ = 351142133003580.

The previous prime is 351142133003503. The next prime is 351142133003587. The reversal of 351142133003581 is 185300331241153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331796826214681 + 19345306788900 = 18215291^2 + 4398330^2 .

It is a cyclic number.

It is not a de Polignac number, because 351142133003581 - 2²⁹ = 351141596132669 is a prime.

It is a super-2 number, since 2×351142133003581² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351142133003587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175571066501790 + 175571066501791.

It is an arithmetic number, because the mean of its divisors is an integer number (175571066501791).

Almost surely, 2^{351142133003581} is an apocalyptic number.

It is an amenable number.

351142133003581 is a deficient number, since it is larger than the sum of its proper divisors (1).

351142133003581 is an equidigital number, since it uses as much as digits as its factorization.

351142133003581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 351142133003581 in words is "three hundred fifty-one trillion, one hundred forty-two billion, one hundred thirty-three million, three thousand, five hundred eighty-one".