231560626326149 has 8 divisors (see below), whose sum is σ = 231773568093720. Its totient is φ = 231347686542336.

The previous prime is 231560626326103. The next prime is 231560626326217. The reversal of 231560626326149 is 941623626065132.

It can be written as a sum of positive squares in 4 ways, for example, as 127756520461249 + 103804105864900 = 11302943^2 + 10188430^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231560626326149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231560626326094 and 231560626326103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231560626326349) 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, 340905149 + ... + 341583725.

It is an arithmetic number, because the mean of its divisors is an integer number (28971696011715).

Almost surely, 2^{231560626326149} is an apocalyptic number.

It is an amenable number.

231560626326149 is a deficient number, since it is larger than the sum of its proper divisors (212941767571).

231560626326149 is a wasteful number, since it uses less digits than its factorization.

231560626326149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991879.

The product of its (nonzero) digits is 16796160, while the sum is 56.

The spelling of 231560626326149 in words is "two hundred thirty-one trillion, five hundred sixty billion, six hundred twenty-six million, three hundred twenty-six thousand, one hundred forty-nine".