312013442 has 32 divisors (see below), whose sum is σ = 513463104. Its totient is φ = 141336000.

The previous prime is 312013433. The next prime is 312013451. The reversal of 312013442 is 244310213.

It is an interprime number because it is at equal distance from previous prime (312013433) and next prime (312013451).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343553 + ... + 344459.

It is an arithmetic number, because the mean of its divisors is an integer number (16045722).

Almost surely, 2^312013442 is an apocalyptic number.

312013442 is a deficient number, since it is larger than the sum of its proper divisors (201449662).

312013442 is a wasteful number, since it uses less digits than its factorization.

312013442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 312013442 is about 17663.9022302548. The cubic root of 312013442 is about 678.2520287758.

Adding to 312013442 its reverse (244310213), we get a palindrome (556323655).

It can be divided in two parts, 31201 and 3442, that added together give a palindrome (34643).

The spelling of 312013442 in words is "three hundred twelve million, thirteen thousand, four hundred forty-two".