355442404315431 has 32 divisors (see below), whose sum is σ = 480469274208000. Its totient is φ = 233715142851840.

The previous prime is 355442404315399. The next prime is 355442404315441. The reversal of 355442404315431 is 134513404244553.

It is a happy number.

It is not a de Polignac number, because 355442404315431 - 2⁵ = 355442404315399 is a prime.

It is a super-2 number, since 2×355442404315431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355442404315441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37886515 + ... + 46327883.

It is an arithmetic number, because the mean of its divisors is an integer number (15014664819000).

Almost surely, 2^{355442404315431} is an apocalyptic number.

355442404315431 is a deficient number, since it is larger than the sum of its proper divisors (125026869892569).

355442404315431 is a wasteful number, since it uses less digits than its factorization.

355442404315431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442159.

The product of its (nonzero) digits is 6912000, while the sum is 48.

Adding to 355442404315431 its reverse (134513404244553), we get a palindrome (489955808559984).

The spelling of 355442404315431 in words is "three hundred fifty-five trillion, four hundred forty-two billion, four hundred four million, three hundred fifteen thousand, four hundred thirty-one".