345151431 has 6 divisors (see below), whose sum is σ = 498552080. Its totient is φ = 230100948.

The previous prime is 345151399. The next prime is 345151483. The reversal of 345151431 is 134151543.

It is a happy number.

345151431 is a `hidden beast` number, since 3 + 4 + 515 + 143 + 1 = 666.

It is not a de Polignac number, because 345151431 - 2⁵ = 345151399 is a prime.

It is a super-2 number, since 2×345151431² = 238259020642695522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345151395 and 345151404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345151031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19175071 + ... + 19175088.

Almost surely, 2^345151431 is an apocalyptic number.

345151431 is a deficient number, since it is larger than the sum of its proper divisors (153400649).

345151431 is a wasteful number, since it uses less digits than its factorization.

345151431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38350165 (or 38350162 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 345151431 is about 18578.2515592830. The cubic root of 345151431 is about 701.4605091171.

The spelling of 345151431 in words is "three hundred forty-five million, one hundred fifty-one thousand, four hundred thirty-one".