313013442 has 32 divisors (see below), whose sum is σ = 728963712. Its totient is φ = 87744384.

The previous prime is 313013431. The next prime is 313013453. The reversal of 313013442 is 244310313.

It is an interprime number because it is at equal distance from previous prime (313013431) and next prime (313013453).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68083 + ... + 72534.

It is an arithmetic number, because the mean of its divisors is an integer number (22780116).

Almost surely, 2^313013442 is an apocalyptic number.

313013442 is an abundant number, since it is smaller than the sum of its proper divisors (415950270).

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

313013442 is a wasteful number, since it uses less digits than its factorization.

313013442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140682.

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

The square root of 313013442 is about 17692.1859022564. The cubic root of 313013442 is about 678.9758530603.

Adding to 313013442 its reverse (244310313), we get a palindrome (557323755).

It can be divided in two parts, 31301 and 3442, that added together give a palindrome (34743).

The spelling of 313013442 in words is "three hundred thirteen million, thirteen thousand, four hundred forty-two".