47154031 has 2 divisors, whose sum is σ = 47154032. Its totient is φ = 47154030.

The previous prime is 47154013. The next prime is 47154053. The reversal of 47154031 is 13045174.

Together with previous prime (47154013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47154031 - 2¹⁷ = 47022959 is a prime.

It is a super-2 number, since 2×47154031² = 4447005279097922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47153987 and 47154005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47154001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23577015 + 23577016.

It is an arithmetic number, because the mean of its divisors is an integer number (23577016).

Almost surely, 2^47154031 is an apocalyptic number.

47154031 is a deficient number, since it is larger than the sum of its proper divisors (1).

47154031 is an equidigital number, since it uses as much as digits as its factorization.

47154031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 47154031 is about 6866.8792766438. The cubic root of 47154031 is about 361.2764129425.

The spelling of 47154031 in words is "forty-seven million, one hundred fifty-four thousand, thirty-one".