47344131 has 6 divisors (see below), whose sum is σ = 68385980. Its totient is φ = 31562748.

The previous prime is 47344117. The next prime is 47344139. The reversal of 47344131 is 13144374.

It is not a de Polignac number, because 47344131 - 2¹¹ = 47342083 is a prime.

It is a super-2 number, since 2×47344131² = 4482933480290322, 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 = 47344095 and 47344104.

It is not an unprimeable number, because it can be changed into a prime (47344139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2630221 + ... + 2630238.

Almost surely, 2^47344131 is an apocalyptic number.

47344131 is a deficient number, since it is larger than the sum of its proper divisors (21041849).

47344131 is a wasteful number, since it uses less digits than its factorization.

47344131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260465 (or 5260462 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 47344131 is about 6880.7071584249. The cubic root of 47344131 is about 361.7612535019.

The spelling of 47344131 in words is "forty-seven million, three hundred forty-four thousand, one hundred thirty-one".