351142132453531 has 32 divisors (see below), whose sum is σ = 363039357240000. Its totient is φ = 339487560529920.

The previous prime is 351142132453523. The next prime is 351142132453561. The reversal of 351142132453531 is 135354231241153.

It is a cyclic number.

It is not a de Polignac number, because 351142132453531 - 2³ = 351142132453523 is a prime.

It is a super-2 number, since 2×351142132453531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351142132453561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1227588055 + ... + 1227874063.

It is an arithmetic number, because the mean of its divisors is an integer number (11344979913750).

Almost surely, 2^{351142132453531} is an apocalyptic number.

351142132453531 is a deficient number, since it is larger than the sum of its proper divisors (11897224786469).

351142132453531 is a wasteful number, since it uses less digits than its factorization.

351142132453531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287407.

The product of its digits is 648000, while the sum is 43.

Adding to 351142132453531 its reverse (135354231241153), we get a palindrome (486496363694684).

The spelling of 351142132453531 in words is "three hundred fifty-one trillion, one hundred forty-two billion, one hundred thirty-two million, four hundred fifty-three thousand, five hundred thirty-one".