231545006 has 32 divisors (see below), whose sum is σ = 433907712. Its totient is φ = 90027360.

The previous prime is 231544993. The next prime is 231545009. The reversal of 231545006 is 600545132.

It is a super-2 number, since 2×231545006² = 107226179607080072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231545009) 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, 92240 + ... + 94716.

It is an arithmetic number, because the mean of its divisors is an integer number (13559616).

Almost surely, 2^231545006 is an apocalyptic number.

231545006 is a deficient number, since it is larger than the sum of its proper divisors (202362706).

231545006 is a wasteful number, since it uses less digits than its factorization.

231545006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 231545006 is about 15216.6029717542. The cubic root of 231545006 is about 614.0614109549.

The spelling of 231545006 in words is "two hundred thirty-one million, five hundred forty-five thousand, six".