31474190 has 16 divisors (see below), whose sum is σ = 61804080. Its totient is φ = 11445120.

The previous prime is 31474171. The next prime is 31474213. The reversal of 31474190 is 9147413.

It is a super-2 number, since 2×31474190² = 1981249272312200, 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 7 ways as a sum of consecutive naturals, for example, 142955 + ... + 143174.

It is an arithmetic number, because the mean of its divisors is an integer number (3862755).

Almost surely, 2^31474190 is an apocalyptic number.

31474190 is a deficient number, since it is larger than the sum of its proper divisors (30329890).

31474190 is a wasteful number, since it uses less digits than its factorization.

31474190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286147.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 31474190 is about 5610.1862714174. The cubic root of 31474190 is about 315.7316995721.

It can be divided in two parts, 3147 and 4190, that added together give a palindrome (7337).

The spelling of 31474190 in words is "thirty-one million, four hundred seventy-four thousand, one hundred ninety".