31470474 has 16 divisors (see below), whose sum is σ = 71932608. Its totient is φ = 8991552.

The previous prime is 31470469. The next prime is 31470547. The reversal of 31470474 is 47407413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374607 + ... + 374690.

It is an arithmetic number, because the mean of its divisors is an integer number (4495788).

Almost surely, 2^31470474 is an apocalyptic number.

31470474 is an abundant number, since it is smaller than the sum of its proper divisors (40462134).

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

31470474 is a wasteful number, since it uses less digits than its factorization.

31470474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749309.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 31470474 is about 5609.8550783420. The cubic root of 31470474 is about 315.7192734628.

Adding to 31470474 its reverse (47407413), we get a palindrome (78877887).

The spelling of 31470474 in words is "thirty-one million, four hundred seventy thousand, four hundred seventy-four".