47413831 has 4 divisors (see below), whose sum is σ = 47543392. Its totient is φ = 47284272.

The previous prime is 47413829. The next prime is 47413837. The reversal of 47413831 is 13831474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13831474 = 2 ⋅6915737.

It is a cyclic number.

It is not a de Polignac number, because 47413831 - 2¹ = 47413829 is a prime.

It is a super-2 number, since 2×47413831² = 4496142740193122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47413793 and 47413802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47413837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64230 + ... + 64963.

It is an arithmetic number, because the mean of its divisors is an integer number (11885848).

Almost surely, 2^47413831 is an apocalyptic number.

47413831 is a deficient number, since it is larger than the sum of its proper divisors (129561).

47413831 is a wasteful number, since it uses less digits than its factorization.

47413831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129560.

The product of its digits is 8064, while the sum is 31.

The square root of 47413831 is about 6885.7701820494. The cubic root of 47413831 is about 361.9386946844.

The spelling of 47413831 in words is "forty-seven million, four hundred thirteen thousand, eight hundred thirty-one".