311401342 has 32 divisors (see below), whose sum is σ = 570765312. Its totient is φ = 124377984.

The previous prime is 311401303. The next prime is 311401357. The reversal of 311401342 is 243104113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18163 + ... + 30865.

It is an arithmetic number, because the mean of its divisors is an integer number (17836416).

Almost surely, 2^311401342 is an apocalyptic number.

311401342 is a deficient number, since it is larger than the sum of its proper divisors (259363970).

311401342 is a wasteful number, since it uses less digits than its factorization.

311401342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12832.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 311401342 is about 17646.5674282564. The cubic root of 311401342 is about 677.8082125922.

Adding to 311401342 its reverse (243104113), we get a palindrome (554505455).

The spelling of 311401342 in words is "three hundred eleven million, four hundred one thousand, three hundred forty-two".