231422245861 has 8 divisors (see below), whose sum is σ = 237076930944. Its totient is φ = 225768048480.

The previous prime is 231422245787. The next prime is 231422245889. The reversal of 231422245861 is 168542224132.

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

It is a cyclic number.

It is not a de Polignac number, because 231422245861 - 2²⁷ = 231288028133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231422245891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953070 + ... + 1170976.

It is an arithmetic number, because the mean of its divisors is an integer number (29634616368).

Almost surely, 2^231422245861 is an apocalyptic number.

It is an amenable number.

231422245861 is a deficient number, since it is larger than the sum of its proper divisors (5654685083).

231422245861 is a wasteful number, since it uses less digits than its factorization.

231422245861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243851.

The product of its digits is 184320, while the sum is 40.

Adding to 231422245861 its reverse (168542224132), we get a palindrome (399964469993).

The spelling of 231422245861 in words is "two hundred thirty-one billion, four hundred twenty-two million, two hundred forty-five thousand, eight hundred sixty-one".