345302831 has 8 divisors (see below), whose sum is σ = 360119424. Its totient is φ = 330716160.

The previous prime is 345302821. The next prime is 345302849. The reversal of 345302831 is 138203543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345302831 - 2⁶ = 345302767 is a prime.

It is a super-2 number, since 2×345302831² = 238468090193229122, 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 = 345302794 and 345302803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345302821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54410 + ... + 60423.

It is an arithmetic number, because the mean of its divisors is an integer number (45014928).

Almost surely, 2^345302831 is an apocalyptic number.

345302831 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

345302831 is a deficient number, since it is larger than the sum of its proper divisors (14816593).

345302831 is a wasteful number, since it uses less digits than its factorization.

345302831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114961.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 345302831 is about 18582.3257693971. The cubic root of 345302831 is about 701.5630588842.

The spelling of 345302831 in words is "three hundred forty-five million, three hundred two thousand, eight hundred thirty-one".