47382031 has 4 divisors (see below), whose sum is σ = 47484832. Its totient is φ = 47279232.

The previous prime is 47382017. The next prime is 47382059. The reversal of 47382031 is 13028374.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13028374 = 2 ⋅6514187.

It is a cyclic number.

It is not a de Polignac number, because 47382031 - 2⁹ = 47381519 is a prime.

It is a super-2 number, since 2×47382031² = 4490113723369922, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47382011) 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, 50706 + ... + 51631.

It is an arithmetic number, because the mean of its divisors is an integer number (11871208).

Almost surely, 2^47382031 is an apocalyptic number.

47382031 is a deficient number, since it is larger than the sum of its proper divisors (102801).

47382031 is a wasteful number, since it uses less digits than its factorization.

47382031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102800.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 47382031 is about 6883.4606848590. The cubic root of 47382031 is about 361.8577603217.

It can be divided in two parts, 473820 and 31, that added together give a triangular number (473851 = T₉₇₃).

The spelling of 47382031 in words is "forty-seven million, three hundred eighty-two thousand, thirty-one".