345131432 has 32 divisors (see below), whose sum is σ = 674929920. Its totient is φ = 165265920.

The previous prime is 345131431. The next prime is 345131441. The reversal of 345131432 is 234131543.

It is a super-3 number, since 3×345131432³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (345131431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16883 + ... + 31229.

It is an arithmetic number, because the mean of its divisors is an integer number (21091560).

Almost surely, 2^345131432 is an apocalyptic number.

It is an amenable number.

345131432 is a deficient number, since it is larger than the sum of its proper divisors (329798488).

345131432 is a wasteful number, since it uses less digits than its factorization.

345131432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14481 (or 14477 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 345131432 is about 18577.7133146144. The cubic root of 345131432 is about 701.4469606874.

Adding to 345131432 its reverse (234131543), we get a palindrome (579262975).

The spelling of 345131432 in words is "three hundred forty-five million, one hundred thirty-one thousand, four hundred thirty-two".