231072611 has 12 divisors (see below), whose sum is σ = 290274096. Its totient is φ = 180055920.

The previous prime is 231072601. The next prime is 231072637. The reversal of 231072611 is 116270132.

It is not a de Polignac number, because 231072611 - 2¹⁰ = 231071587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231072601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135560 + ... + 137253.

It is an arithmetic number, because the mean of its divisors is an integer number (24189508).

Almost surely, 2^231072611 is an apocalyptic number.

231072611 is a deficient number, since it is larger than the sum of its proper divisors (59201485).

231072611 is a wasteful number, since it uses less digits than its factorization.

231072611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272842 (or 272831 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 231072611 is about 15201.0726924122. The cubic root of 231072611 is about 613.6435267009.

The spelling of 231072611 in words is "two hundred thirty-one million, seventy-two thousand, six hundred eleven".