231326561016452 has 12 divisors (see below), whose sum is σ = 441623434667856. Its totient is φ = 105148436825640.

The previous prime is 231326561016451. The next prime is 231326561016491. The reversal of 231326561016452 is 254610165623132.

It is a junction number, because it is equal to n+sod(n) for n = 231326561016397 and 231326561016406.

It is not an unprimeable number, because it can be changed into a prime (231326561016451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2628710920598 + ... + 2628710920685.

It is an arithmetic number, because the mean of its divisors is an integer number (36801952888988).

Almost surely, 2^{231326561016452} is an apocalyptic number.

231326561016452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231326561016452 is a deficient number, since it is larger than the sum of its proper divisors (210296873651404).

231326561016452 is a wasteful number, since it uses less digits than its factorization.

231326561016452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257421841298 (or 5257421841296 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 231326561016452 in words is "two hundred thirty-one trillion, three hundred twenty-six billion, five hundred sixty-one million, sixteen thousand, four hundred fifty-two".