31468190 has 64 divisors (see below), whose sum is σ = 66951360. Its totient is φ = 10536960.

The previous prime is 31468169. The next prime is 31468201. The reversal of 31468190 is 9186413.

It is a happy number.

It is a super-2 number, since 2×31468190² = 1980493963752200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63845 + ... + 64335.

It is an arithmetic number, because the mean of its divisors is an integer number (1046115).

Almost surely, 2^31468190 is an apocalyptic number.

31468190 is an abundant number, since it is smaller than the sum of its proper divisors (35483170).

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

31468190 is a wasteful number, since it uses less digits than its factorization.

31468190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 31468190 is about 5609.6515043272. The cubic root of 31468190 is about 315.7116354012.

The spelling of 31468190 in words is "thirty-one million, four hundred sixty-eight thousand, one hundred ninety".