352387431 has 12 divisors (see below), whose sum is σ = 555277320. Its totient is φ = 213568080.

The previous prime is 352387403. The next prime is 352387561. The reversal of 352387431 is 134783253.

It is not a de Polignac number, because 352387431 - 2⁷ = 352387303 is a prime.

It is a super-2 number, since 2×352387431² = 248353803053559522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352387031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1779636 + ... + 1779833.

It is an arithmetic number, because the mean of its divisors is an integer number (46273110).

Almost surely, 2^352387431 is an apocalyptic number.

352387431 is a deficient number, since it is larger than the sum of its proper divisors (202889889).

352387431 is a wasteful number, since it uses less digits than its factorization.

352387431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559486 (or 3559483 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 352387431 is about 18771.9852706100. The cubic root of 352387431 is about 706.3286187468.

It can be divided in two parts, 352 and 387431, that added together give a palindrome (387783).

The spelling of 352387431 in words is "three hundred fifty-two million, three hundred eighty-seven thousand, four hundred thirty-one".