312671142 has 24 divisors (see below), whose sum is σ = 774233616. Its totient is φ = 89334576.

The previous prime is 312671129. The next prime is 312671147. The reversal of 312671142 is 241176213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312671147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1240633 + ... + 1240884.

It is an arithmetic number, because the mean of its divisors is an integer number (32259734).

Almost surely, 2^312671142 is an apocalyptic number.

312671142 is an abundant number, since it is smaller than the sum of its proper divisors (461562474).

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

312671142 is a wasteful number, since it uses less digits than its factorization.

312671142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481532 (or 2481529 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 312671142 is about 17682.5094938473. The cubic root of 312671142 is about 678.7282617704.

The spelling of 312671142 in words is "three hundred twelve million, six hundred seventy-one thousand, one hundred forty-two".