231488007 has 4 divisors (see below), whose sum is σ = 308650680. Its totient is φ = 154325336.

The previous prime is 231487999. The next prime is 231488011. The reversal of 231488007 is 700884132.

231488007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231488007 - 2³ = 231487999 is a prime.

It is a super-3 number, since 3×231488007³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231488027) 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, 38581332 + ... + 38581337.

It is an arithmetic number, because the mean of its divisors is an integer number (77162670).

Almost surely, 2^231488007 is an apocalyptic number.

231488007 is a deficient number, since it is larger than the sum of its proper divisors (77162673).

231488007 is an equidigital number, since it uses as much as digits as its factorization.

231488007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77162672.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 231488007 is about 15214.7299351648. The cubic root of 231488007 is about 614.0110193710.

The spelling of 231488007 in words is "two hundred thirty-one million, four hundred eighty-eight thousand, seven".