314481631 has 2 divisors, whose sum is σ = 314481632. Its totient is φ = 314481630.

The previous prime is 314481619. The next prime is 314481637. The reversal of 314481631 is 136184413.

It is a strong prime.

It is an emirp because it is prime and its reverse (136184413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314481631 - 2⁹ = 314481119 is a prime.

It is a super-2 number, since 2×314481631² = 197797392472840322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 314481593 and 314481602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314481637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157240815 + 157240816.

It is an arithmetic number, because the mean of its divisors is an integer number (157240816).

Almost surely, 2^314481631 is an apocalyptic number.

314481631 is a deficient number, since it is larger than the sum of its proper divisors (1).

314481631 is an equidigital number, since it uses as much as digits as its factorization.

314481631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 314481631 is about 17733.6299442613. The cubic root of 314481631 is about 680.0357759436.

The spelling of 314481631 in words is "three hundred fourteen million, four hundred eighty-one thousand, six hundred thirty-one".