47007031 has 4 divisors (see below), whose sum is σ = 47077552. Its totient is φ = 46936512.

The previous prime is 47007019. The next prime is 47007043. The reversal of 47007031 is 13070074.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (47007019) and next prime (47007043).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47007031 is a prime.

It is a super-2 number, since 2×47007031² = 4419321926869922, 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 = 47006993 and 47007011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47007071) 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, 34251 + ... + 35596.

It is an arithmetic number, because the mean of its divisors is an integer number (11769388).

Almost surely, 2^47007031 is an apocalyptic number.

47007031 is a deficient number, since it is larger than the sum of its proper divisors (70521).

47007031 is an equidigital number, since it uses as much as digits as its factorization.

47007031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70520.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 47007031 is about 6856.1673696023. The cubic root of 47007031 is about 360.9006026174.

The spelling of 47007031 in words is "forty-seven million, seven thousand, thirty-one".