312013296 has 200 divisors, whose sum is σ = 1043318144. Its totient is φ = 88179840.

The previous prime is 312013249. The next prime is 312013297. The reversal of 312013296 is 692310213.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312013297) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1478631 + ... + 1478841.

Almost surely, 2^312013296 is an apocalyptic number.

312013296 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312013296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521659072).

312013296 is an abundant number, since it is smaller than the sum of its proper divisors (731304848).

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

312013296 is a wasteful number, since it uses less digits than its factorization.

312013296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 312013296 is about 17663.8980975322. The cubic root of 312013296 is about 678.2519229846.

The spelling of 312013296 in words is "three hundred twelve million, thirteen thousand, two hundred ninety-six".