311446142 has 16 divisors (see below), whose sum is σ = 535403520. Its totient is φ = 133102968.

The previous prime is 311446139. The next prime is 311446159. The reversal of 311446142 is 241644113.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25958 + ... + 36009.

It is an arithmetic number, because the mean of its divisors is an integer number (33462720).

Almost surely, 2^311446142 is an apocalyptic number.

311446142 is a deficient number, since it is larger than the sum of its proper divisors (223957378).

311446142 is a wasteful number, since it uses less digits than its factorization.

311446142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62335.

The product of its digits is 2304, while the sum is 26.

The square root of 311446142 is about 17647.8367512848. The cubic root of 311446142 is about 677.8407155048.

The spelling of 311446142 in words is "three hundred eleven million, four hundred forty-six thousand, one hundred forty-two".