31677494 has 8 divisors (see below), whose sum is σ = 50311368. Its totient is φ = 14907040.

The previous prime is 31677487. The next prime is 31677521. The reversal of 31677494 is 49477613.

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

It is a super-2 number, since 2×31677494² = 2006927252240072, which contains 22 as substring.

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, 465812 + ... + 465879.

It is an arithmetic number, because the mean of its divisors is an integer number (6288921).

Almost surely, 2^31677494 is an apocalyptic number.

31677494 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31677494 is a deficient number, since it is larger than the sum of its proper divisors (18633874).

31677494 is a wasteful number, since it uses less digits than its factorization.

31677494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931710.

The product of its digits is 127008, while the sum is 41.

The square root of 31677494 is about 5628.2762903042. The cubic root of 31677494 is about 316.4100522474.

The spelling of 31677494 in words is "thirty-one million, six hundred seventy-seven thousand, four hundred ninety-four".