313240042 has 8 divisors (see below), whose sum is σ = 494589600. Its totient is φ = 148376844.

The previous prime is 313240033. The next prime is 313240051. The reversal of 313240042 is 240042313.

It is an interprime number because it is at equal distance from previous prime (313240033) and next prime (313240051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4121542 + ... + 4121617.

It is an arithmetic number, because the mean of its divisors is an integer number (61823700).

Almost surely, 2^313240042 is an apocalyptic number.

313240042 is a deficient number, since it is larger than the sum of its proper divisors (181349558).

313240042 is a wasteful number, since it uses less digits than its factorization.

313240042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243180.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 313240042 is about 17698.5887007976. The cubic root of 313240042 is about 679.1396573315.

Adding to 313240042 its reverse (240042313), we get a palindrome (553282355).

The spelling of 313240042 in words is "three hundred thirteen million, two hundred forty thousand, forty-two".