231451473 has 16 divisors (see below), whose sum is σ = 336911616. Its totient is φ = 140167440.

The previous prime is 231451421. The next prime is 231451501. The reversal of 231451473 is 374154132.

It is a happy number.

It is not a de Polignac number, because 231451473 - 2¹³ = 231443281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231451473.

It is not an unprimeable number, because it can be changed into a prime (231453473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79990 + ... + 82832.

It is an arithmetic number, because the mean of its divisors is an integer number (21056976).

Almost surely, 2^231451473 is an apocalyptic number.

It is an amenable number.

231451473 is a deficient number, since it is larger than the sum of its proper divisors (105460143).

231451473 is a wasteful number, since it uses less digits than its factorization.

231451473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324.

The product of its digits is 10080, while the sum is 30.

The square root of 231451473 is about 15213.5292749579. The cubic root of 231451473 is about 613.9787161009.

The spelling of 231451473 in words is "two hundred thirty-one million, four hundred fifty-one thousand, four hundred seventy-three".