147431371 has 4 divisors (see below), whose sum is σ = 147591000. Its totient is φ = 147271744.

The previous prime is 147431363. The next prime is 147431377. The reversal of 147431371 is 173134741.

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

It is a cyclic number.

It is not a de Polignac number, because 147431371 - 2³ = 147431363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147431377) 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, 78421 + ... + 80278.

It is an arithmetic number, because the mean of its divisors is an integer number (36897750).

Almost surely, 2^147431371 is an apocalyptic number.

147431371 is a deficient number, since it is larger than the sum of its proper divisors (159629).

147431371 is an equidigital number, since it uses as much as digits as its factorization.

147431371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159628.

The product of its digits is 7056, while the sum is 31.

The square root of 147431371 is about 12142.1320615450. The cubic root of 147431371 is about 528.2789444244.

The spelling of 147431371 in words is "one hundred forty-seven million, four hundred thirty-one thousand, three hundred seventy-one".