31949485 has 4 divisors (see below), whose sum is σ = 38339388. Its totient is φ = 25559584.

The previous prime is 31949471. The next prime is 31949497. The reversal of 31949485 is 58494913.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58494913 = 61 ⋅958933.

It can be written as a sum of positive squares in 2 ways, for example, as 24098281 + 7851204 = 4909^2 + 2802^2 .

It is a cyclic number.

It is not a de Polignac number, because 31949485 - 2¹³ = 31941293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3194944 + ... + 3194953.

It is an arithmetic number, because the mean of its divisors is an integer number (9584847).

Almost surely, 2^31949485 is an apocalyptic number.

It is an amenable number.

31949485 is a deficient number, since it is larger than the sum of its proper divisors (6389903).

31949485 is an equidigital number, since it uses as much as digits as its factorization.

31949485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389902.

The product of its digits is 155520, while the sum is 43.

The square root of 31949485 is about 5652.3875486382. The cubic root of 31949485 is about 317.3130649859.

The spelling of 31949485 in words is "thirty-one million, nine hundred forty-nine thousand, four hundred eighty-five".