312263430 has 32 divisors (see below), whose sum is σ = 758467584. Its totient is φ = 82266336.

The previous prime is 312263411. The next prime is 312263431. The reversal of 312263430 is 34362213.

It is a self number, because there is not a number n which added to its sum of digits gives 312263430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312263431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60214 + ... + 65193.

It is an arithmetic number, because the mean of its divisors is an integer number (23702112).

Almost surely, 2^312263430 is an apocalyptic number.

312263430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312263430 is an abundant number, since it is smaller than the sum of its proper divisors (446204154).

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

312263430 is a wasteful number, since it uses less digits than its factorization.

312263430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125500.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 312263430 is about 17670.9770527835. The cubic root of 312263430 is about 678.4331209795.

The spelling of 312263430 in words is "three hundred twelve million, two hundred sixty-three thousand, four hundred thirty".