231033300231 has 16 divisors (see below), whose sum is σ = 323485023744. Its totient is φ = 146387196384.

The previous prime is 231033300229. The next prime is 231033300233. The reversal of 231033300231 is 132003330132.

It is an interprime number because it is at equal distance from previous prime (231033300229) and next prime (231033300233).

It is not a de Polignac number, because 231033300231 - 2¹ = 231033300229 is a prime.

It is a super-2 number, since 2×231033300231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231033300198 and 231033300207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231033300233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10652571 + ... + 10674236.

It is an arithmetic number, because the mean of its divisors is an integer number (20217813984).

Almost surely, 2^231033300231 is an apocalyptic number.

231033300231 is a deficient number, since it is larger than the sum of its proper divisors (92451723513).

231033300231 is a wasteful number, since it uses less digits than its factorization.

231033300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21326990.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 231033300231 its reverse (132003330132), we get a palindrome (363036630363).

The spelling of 231033300231 in words is "two hundred thirty-one billion, thirty-three million, three hundred thousand, two hundred thirty-one".