47801331 has 12 divisors (see below), whose sum is σ = 73108152. Its totient is φ = 29992896.

The previous prime is 47801329. The next prime is 47801333. The reversal of 47801331 is 13310874.

It is an interprime number because it is at equal distance from previous prime (47801329) and next prime (47801333).

It is not a de Polignac number, because 47801331 - 2¹ = 47801329 is a prime.

It is a super-2 number, since 2×47801331² = 4569934490743122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47801295 and 47801304.

It is not an unprimeable number, because it can be changed into a prime (47801333) 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, 156061 + ... + 156366.

It is an arithmetic number, because the mean of its divisors is an integer number (6092346).

Almost surely, 2^47801331 is an apocalyptic number.

47801331 is a deficient number, since it is larger than the sum of its proper divisors (25306821).

47801331 is a wasteful number, since it uses less digits than its factorization.

47801331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312450 (or 312447 counting only the distinct ones).

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

The square root of 47801331 is about 6913.8506637040. The cubic root of 47801331 is about 362.9220286508.

The spelling of 47801331 in words is "forty-seven million, eight hundred one thousand, three hundred thirty-one".