314531391 has 4 divisors (see below), whose sum is σ = 419375192. Its totient is φ = 209687592.

The previous prime is 314531383. The next prime is 314531411. The reversal of 314531391 is 193135413.

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

It is not a de Polignac number, because 314531391 - 2³ = 314531383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314531291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52421896 + ... + 52421901.

It is an arithmetic number, because the mean of its divisors is an integer number (104843798).

Almost surely, 2^314531391 is an apocalyptic number.

314531391 is a deficient number, since it is larger than the sum of its proper divisors (104843801).

314531391 is a wasteful number, since it uses less digits than its factorization.

314531391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104843800.

The product of its digits is 4860, while the sum is 30.

The square root of 314531391 is about 17735.0328728198. The cubic root of 314531391 is about 680.0716410968.

The spelling of 314531391 in words is "three hundred fourteen million, five hundred thirty-one thousand, three hundred ninety-one".