31796147 has 2 divisors, whose sum is σ = 31796148. Its totient is φ = 31796146.

The previous prime is 31796129. The next prime is 31796179. The reversal of 31796147 is 74169713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31796147 - 2¹⁰ = 31795123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31796147.

It is not a weakly prime, because it can be changed into another prime (31796047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15898073 + 15898074.

It is an arithmetic number, because the mean of its divisors is an integer number (15898074).

Almost surely, 2^31796147 is an apocalyptic number.

31796147 is a deficient number, since it is larger than the sum of its proper divisors (1).

31796147 is an equidigital number, since it uses as much as digits as its factorization.

31796147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The square root of 31796147 is about 5638.8072320305. The cubic root of 31796147 is about 316.8046144438.

The spelling of 31796147 in words is "thirty-one million, seven hundred ninety-six thousand, one hundred forty-seven".