147271631 has 16 divisors (see below), whose sum is σ = 164475360. Its totient is φ = 130990080.

The previous prime is 147271627. The next prime is 147271637. The reversal of 147271631 is 136172741.

It is not a de Polignac number, because 147271631 - 2² = 147271627 is a prime.

It is a super-2 number, since 2×147271631² = 43377866594800322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147271637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42575 + ... + 45903.

It is an arithmetic number, because the mean of its divisors is an integer number (10279710).

Almost surely, 2^147271631 is an apocalyptic number.

147271631 is a deficient number, since it is larger than the sum of its proper divisors (17203729).

147271631 is a wasteful number, since it uses less digits than its factorization.

147271631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466.

The product of its digits is 7056, while the sum is 32.

The square root of 147271631 is about 12135.5523566091. The cubic root of 147271631 is about 528.0880809877.

The spelling of 147271631 in words is "one hundred forty-seven million, two hundred seventy-one thousand, six hundred thirty-one".