47103381 has 12 divisors (see below), whose sum is σ = 73272108. Its totient is φ = 28986624.

The previous prime is 47103377. The next prime is 47103389. The reversal of 47103381 is 18330174.

It can be written as a sum of positive squares in 2 ways, for example, as 21762225 + 25341156 = 4665^2 + 5034^2 .

It is not a de Polignac number, because 47103381 - 2² = 47103377 is a prime.

It is a super-2 number, since 2×47103381² = 4437457003262322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47103389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201180 + ... + 201413.

It is an arithmetic number, because the mean of its divisors is an integer number (6106009).

Almost surely, 2^47103381 is an apocalyptic number.

It is an amenable number.

47103381 is a deficient number, since it is larger than the sum of its proper divisors (26168727).

47103381 is a wasteful number, since it uses less digits than its factorization.

47103381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402612 (or 402609 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 47103381 is about 6863.1902931508. The cubic root of 47103381 is about 361.1470128636.

The spelling of 47103381 in words is "forty-seven million, one hundred three thousand, three hundred eighty-one".