231323033011 has 8 divisors (see below), whose sum is σ = 264610182240. Its totient is φ = 198096134208.

The previous prime is 231323033003. The next prime is 231323033027. The reversal of 231323033011 is 110330323132.

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

It is not a de Polignac number, because 231323033011 - 2³ = 231323033003 is a prime.

It is a super-2 number, since 2×231323033011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231323033411) 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, 15054376 + ... + 15069733.

It is an arithmetic number, because the mean of its divisors is an integer number (33076272780).

Almost surely, 2^231323033011 is an apocalyptic number.

231323033011 is a deficient number, since it is larger than the sum of its proper divisors (33287149229).

231323033011 is a wasteful number, since it uses less digits than its factorization.

231323033011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30125213.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 231323033011 its reverse (110330323132), we get a palindrome (341653356143).

The spelling of 231323033011 in words is "two hundred thirty-one billion, three hundred twenty-three million, thirty-three thousand, eleven".