47322657031 has 4 divisors (see below), whose sum is σ = 50962861432. Its totient is φ = 43682452632.

The previous prime is 47322656999. The next prime is 47322657037. The reversal of 47322657031 is 13075622374.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13075622374 = 2 ⋅6537811187.

It is not a de Polignac number, because 47322657031 - 2⁵ = 47322656999 is a prime.

It is a super-2 number, since 2×47322657031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47322657037) 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, 1820102181 + ... + 1820102206.

It is an arithmetic number, because the mean of its divisors is an integer number (12740715358).

Almost surely, 2^47322657031 is an apocalyptic number.

47322657031 is a deficient number, since it is larger than the sum of its proper divisors (3640204401).

47322657031 is a wasteful number, since it uses less digits than its factorization.

47322657031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640204400.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 47322657031 in words is "forty-seven billion, three hundred twenty-two million, six hundred fifty-seven thousand, thirty-one".