231550351101243 has 6 divisors (see below), whose sum is σ = 334461618257364. Its totient is φ = 154366900734156.

The previous prime is 231550351101241. The next prime is 231550351101271. The reversal of 231550351101243 is 342101153055132.

It is a happy number.

231550351101243 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 50 + 351 + 10 + 1 + 243 = 666.

It is not a de Polignac number, because 231550351101243 - 2¹ = 231550351101241 is a prime.

It is a super-2 number, since 2×231550351101243² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231550351101198 and 231550351101207.

It is not an unprimeable number, because it can be changed into a prime (231550351101241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12863908394505 + ... + 12863908394522.

It is an arithmetic number, because the mean of its divisors is an integer number (55743603042894).

Almost surely, 2^{231550351101243} is an apocalyptic number.

231550351101243 is a deficient number, since it is larger than the sum of its proper divisors (102911267156121).

231550351101243 is a wasteful number, since it uses less digits than its factorization.

231550351101243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25727816789033 (or 25727816789030 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 231550351101243 in words is "two hundred thirty-one trillion, five hundred fifty billion, three hundred fifty-one million, one hundred one thousand, two hundred forty-three".