310971142 has 8 divisors (see below), whose sum is σ = 477833832. Its totient is φ = 151693200.

The previous prime is 310971139. The next prime is 310971161. The reversal of 310971142 is 241179013.

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

It is a self number, because there is not a number n which added to its sum of digits gives 310971142.

It is a congruent number.

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, 1896084 + ... + 1896247.

It is an arithmetic number, because the mean of its divisors is an integer number (59729229).

Almost surely, 2^310971142 is an apocalyptic number.

310971142 is a deficient number, since it is larger than the sum of its proper divisors (166862690).

310971142 is a wasteful number, since it uses less digits than its factorization.

310971142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792374.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 310971142 is about 17634.3738760411. The cubic root of 310971142 is about 677.4959387564.

It can be divided in two parts, 310971 and 142, that added together give a palindrome (311113).

The spelling of 310971142 in words is "three hundred ten million, nine hundred seventy-one thousand, one hundred forty-two".