231015049 has 4 divisors (see below), whose sum is σ = 236387536. Its totient is φ = 225642564.

The previous prime is 231015019. The next prime is 231015067. The reversal of 231015049 is 940510132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231015049 - 2¹³ = 231006857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231015019) 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 3 ways as a sum of consecutive naturals, for example, 2686179 + ... + 2686264.

It is an arithmetic number, because the mean of its divisors is an integer number (59096884).

Almost surely, 2^231015049 is an apocalyptic number.

It is an amenable number.

231015049 is a deficient number, since it is larger than the sum of its proper divisors (5372487).

231015049 is an equidigital number, since it uses as much as digits as its factorization.

231015049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372486.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 231015049 is about 15199.1792212606. The cubic root of 231015049 is about 613.5925679973.

The spelling of 231015049 in words is "two hundred thirty-one million, fifteen thousand, forty-nine".