47231019 has 60 divisors (see below), whose sum is σ = 79821280. Its totient is φ = 27799200.

The previous prime is 47230999. The next prime is 47231027. The reversal of 47231019 is 91013274.

It is not a de Polignac number, because 47231019 - 2⁵ = 47230987 is a prime.

It is a super-2 number, since 2×47231019² = 4461538311556722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 47230983 and 47231001.

It is not an unprimeable number, because it can be changed into a prime (47231039) 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 59 ways as a sum of consecutive naturals, for example, 597822 + ... + 597900.

Almost surely, 2^47231019 is an apocalyptic number.

47231019 is a deficient number, since it is larger than the sum of its proper divisors (32590261).

47231019 is a wasteful number, since it uses less digits than its factorization.

47231019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 47231019 is about 6872.4827391562. The cubic root of 47231019 is about 361.4729237137.

The spelling of 47231019 in words is "forty-seven million, two hundred thirty-one thousand, nineteen".