231434666626 has 8 divisors (see below), whose sum is σ = 348026439420. Its totient is φ = 115425853488.

The previous prime is 231434666587. The next prime is 231434666681. The reversal of 231434666626 is 626666434132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 223468925625 + 7965741001 = 472725^2 + 89251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 231434666626.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145738921 + ... + 145740508.

Almost surely, 2^231434666626 is an apocalyptic number.

231434666626 is a deficient number, since it is larger than the sum of its proper divisors (116591772794).

231434666626 is a wasteful number, since it uses less digits than its factorization.

231434666626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291479828.

The product of its digits is 4478976, while the sum is 49.

The spelling of 231434666626 in words is "two hundred thirty-one billion, four hundred thirty-four million, six hundred sixty-six thousand, six hundred twenty-six".