47158031 has 8 divisors (see below), whose sum is σ = 48913200. Its totient is φ = 45411520.

The previous prime is 47157997. The next prime is 47158043. The reversal of 47158031 is 13085174.

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

It is a cyclic number.

It is not a de Polignac number, because 47158031 - 2¹⁸ = 46895887 is a prime.

It is a super-2 number, since 2×47158031² = 4447759775593922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47157985 and 47158003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47158231) 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, 10211 + ... + 14091.

It is an arithmetic number, because the mean of its divisors is an integer number (6114150).

Almost surely, 2^47158031 is an apocalyptic number.

47158031 is a deficient number, since it is larger than the sum of its proper divisors (1755169).

47158031 is a wasteful number, since it uses less digits than its factorization.

47158031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 47158031 is about 6867.1705235854. The cubic root of 47158031 is about 361.2866281511.

The spelling of 47158031 in words is "forty-seven million, one hundred fifty-eight thousand, thirty-one".