31474363 has 2 divisors, whose sum is σ = 31474364. Its totient is φ = 31474362.

The previous prime is 31474357. The next prime is 31474397. The reversal of 31474363 is 36347413.

It is a weak prime.

It is an emirp because it is prime and its reverse (36347413) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31474363 is a prime.

It is not a weakly prime, because it can be changed into another prime (31474343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15737181 + 15737182.

It is an arithmetic number, because the mean of its divisors is an integer number (15737182).

Almost surely, 2^31474363 is an apocalyptic number.

31474363 is a deficient number, since it is larger than the sum of its proper divisors (1).

31474363 is an equidigital number, since it uses as much as digits as its factorization.

31474363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 31.

The square root of 31474363 is about 5610.2016897791. The cubic root of 31474363 is about 315.7322780512.

The spelling of 31474363 in words is "thirty-one million, four hundred seventy-four thousand, three hundred sixty-three".