47940331 has 2 divisors, whose sum is σ = 47940332. Its totient is φ = 47940330.

The previous prime is 47940311. The next prime is 47940337. The reversal of 47940331 is 13304974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47940331 - 2⁹ = 47939819 is a prime.

It is a super-2 number, since 2×47940331² = 4596550672779122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47940293 and 47940302.

It is not a weakly prime, because it can be changed into another prime (47940337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23970165 + 23970166.

It is an arithmetic number, because the mean of its divisors is an integer number (23970166).

Almost surely, 2^47940331 is an apocalyptic number.

47940331 is a deficient number, since it is larger than the sum of its proper divisors (1).

47940331 is an equidigital number, since it uses as much as digits as its factorization.

47940331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 47940331 is about 6923.8956520156. The cubic root of 47940331 is about 363.2734647777.

The spelling of 47940331 in words is "forty-seven million, nine hundred forty thousand, three hundred thirty-one".