231120222031133 has 8 divisors (see below), whose sum is σ = 231132018541752. Its totient is φ = 231108425906176.

The previous prime is 231120222031103. The next prime is 231120222031157. The reversal of 231120222031133 is 331130222021132.

It can be written as a sum of positive squares in 4 ways, for example, as 1235736819769 + 229884485211364 = 1111637^2 + 15161942^2 .

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 231120222031133 - 2¹⁶ = 231120221965597 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 (231120222031103) 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, 2523734441 + ... + 2523826017.

It is an arithmetic number, because the mean of its divisors is an integer number (28891502317719).

Almost surely, 2^{231120222031133} is an apocalyptic number.

It is an amenable number.

231120222031133 is a deficient number, since it is larger than the sum of its proper divisors (11796510619).

231120222031133 is an equidigital number, since it uses as much as digits as its factorization.

231120222031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192831.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 231120222031133 its reverse (331130222021132), we get a palindrome (562250444052265).

The spelling of 231120222031133 in words is "two hundred thirty-one trillion, one hundred twenty billion, two hundred twenty-two million, thirty-one thousand, one hundred thirty-three".