351230031 has 12 divisors (see below), whose sum is σ = 523698240. Its totient is φ = 226599840.

The previous prime is 351230023. The next prime is 351230053. The reversal of 351230031 is 130032153.

It is not a de Polignac number, because 351230031 - 2³ = 351230023 is a prime.

It is a super-2 number, since 2×351230031² = 246725069352521922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 351229986 and 351230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351230071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629166 + ... + 629723.

It is an arithmetic number, because the mean of its divisors is an integer number (43641520).

Almost surely, 2^351230031 is an apocalyptic number.

351230031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

351230031 is a deficient number, since it is larger than the sum of its proper divisors (172468209).

351230031 is a wasteful number, since it uses less digits than its factorization.

351230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258926 (or 1258923 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 351230031 is about 18741.1320629251. The cubic root of 351230031 is about 705.5544694945.

Adding to 351230031 its reverse (130032153), we get a palindrome (481262184).

The spelling of 351230031 in words is "three hundred fifty-one million, two hundred thirty thousand, thirty-one".