231065228170 has 32 divisors (see below), whose sum is σ = 475833097728. Its totient is φ = 79139211648.

The previous prime is 231065228137. The next prime is 231065228171. The reversal of 231065228170 is 71822560132.

It is a super-2 number, since 2×231065228170² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231065228171) 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, 1665154 + ... + 1798573.

It is an arithmetic number, because the mean of its divisors is an integer number (14869784304).

Almost surely, 2^231065228170 is an apocalyptic number.

231065228170 is an abundant number, since it is smaller than the sum of its proper divisors (244767869558).

231065228170 is a wasteful number, since it uses less digits than its factorization.

231065228170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464694.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 231065228170 in words is "two hundred thirty-one billion, sixty-five million, two hundred twenty-eight thousand, one hundred seventy".