47970331 has 2 divisors, whose sum is σ = 47970332. Its totient is φ = 47970330.

The previous prime is 47970319. The next prime is 47970337. The reversal of 47970331 is 13307974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47970331 - 2⁹ = 47969819 is a prime.

It is a super-2 number, since 2×47970331² = 4602305312499122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47970337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23985165 + 23985166.

It is an arithmetic number, because the mean of its divisors is an integer number (23985166).

Almost surely, 2^47970331 is an apocalyptic number.

47970331 is a deficient number, since it is larger than the sum of its proper divisors (1).

47970331 is an equidigital number, since it uses as much as digits as its factorization.

47970331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 47970331 is about 6926.0617236637. The cubic root of 47970331 is about 363.3492251463.

The spelling of 47970331 in words is "forty-seven million, nine hundred seventy thousand, three hundred thirty-one".