312401334 has 16 divisors (see below), whose sum is σ = 714060288. Its totient is φ = 89257512.

The previous prime is 312401329. The next prime is 312401347. The reversal of 312401334 is 433104213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 312401334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3719022 + ... + 3719105.

It is an arithmetic number, because the mean of its divisors is an integer number (44628768).

Almost surely, 2^312401334 is an apocalyptic number.

312401334 is an abundant number, since it is smaller than the sum of its proper divisors (401658954).

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

312401334 is a wasteful number, since it uses less digits than its factorization.

312401334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7438139.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 312401334 is about 17674.8786134446. The cubic root of 312401334 is about 678.5329777701.

Adding to 312401334 its reverse (433104213), we get a palindrome (745505547).

The spelling of 312401334 in words is "three hundred twelve million, four hundred one thousand, three hundred thirty-four".