310913842 has 4 divisors (see below), whose sum is σ = 466370766. Its totient is φ = 155456920.

The previous prime is 310913831. The next prime is 310913903. The reversal of 310913842 is 248319013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 163558521 + 147355321 = 12789^2 + 12139^2 .

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 as a sum of consecutive naturals, namely, 77728459 + ... + 77728462.

Almost surely, 2^310913842 is an apocalyptic number.

310913842 is a deficient number, since it is larger than the sum of its proper divisors (155456924).

310913842 is a wasteful number, since it uses less digits than its factorization.

310913842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155456923.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 310913842 is about 17632.7491333598. The cubic root of 310913842 is about 677.4543240676.

The spelling of 310913842 in words is "three hundred ten million, nine hundred thirteen thousand, eight hundred forty-two".