31474434 has 16 divisors (see below), whose sum is σ = 63119520. Its totient is φ = 10463040.

The previous prime is 31474433. The next prime is 31474481. The reversal of 31474434 is 43447413.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31474433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4647 + ... + 9194.

It is an arithmetic number, because the mean of its divisors is an integer number (3944970).

Almost surely, 2^31474434 is an apocalyptic number.

31474434 is an abundant number, since it is smaller than the sum of its proper divisors (31645086).

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

31474434 is a wasteful number, since it uses less digits than its factorization.

31474434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14225.

The product of its digits is 16128, while the sum is 30.

The square root of 31474434 is about 5610.2080175338. The cubic root of 31474434 is about 315.7325154611.

The spelling of 31474434 in words is "thirty-one million, four hundred seventy-four thousand, four hundred thirty-four".