351097230 has 72 divisors (see below), whose sum is σ = 929188008. Its totient is φ = 84840800.

The previous prime is 351097217. The next prime is 351097247. The reversal of 351097230 is 32790153.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1128775 + ... + 1129085.

It is an arithmetic number, because the mean of its divisors is an integer number (12905389).

Almost surely, 2^351097230 is an apocalyptic number.

351097230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 351097230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464594004).

351097230 is an abundant number, since it is smaller than the sum of its proper divisors (578090778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351097230 is a wasteful number, since it uses less digits than its factorization.

351097230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 351097230 is about 18737.5886922517. The cubic root of 351097230 is about 705.4655342835.

Multiplying 351097230 by its sum of digits (30), we get a square (10532916900 = 102630²).

351097230 divided by its sum of digits (30) gives a square (11703241 = 3421²).

The spelling of 351097230 in words is "three hundred fifty-one million, ninety-seven thousand, two hundred thirty".