31661483 has 8 divisors (see below), whose sum is σ = 36591840. Its totient is φ = 26832960.

The previous prime is 31661477. The next prime is 31661491. The reversal of 31661483 is 38416613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31661483 - 2⁶ = 31661419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31661423) 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, 24788 + ... + 26033.

It is an arithmetic number, because the mean of its divisors is an integer number (4573980).

Almost surely, 2^31661483 is an apocalyptic number.

31661483 is a deficient number, since it is larger than the sum of its proper divisors (4930357).

31661483 is an equidigital number, since it uses as much as digits as its factorization.

31661483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50917.

The product of its digits is 10368, while the sum is 32.

The square root of 31661483 is about 5626.8537389913. The cubic root of 31661483 is about 316.3567347395.

The spelling of 31661483 in words is "thirty-one million, six hundred sixty-one thousand, four hundred eighty-three".