231330133101012 has 24 divisors (see below), whose sum is σ = 588840338802912. Its totient is φ = 70100040333600.

The previous prime is 231330133100939. The next prime is 231330133101017. The reversal of 231330133101012 is 210101331033132.

231330133101012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231330133101017) 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, 876250504039 + ... + 876250504302.

It is an arithmetic number, because the mean of its divisors is an integer number (24535014116788).

Almost surely, 2^{231330133101012} is an apocalyptic number.

231330133101012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231330133101012 is an abundant number, since it is smaller than the sum of its proper divisors (357510205701900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231330133101012 is a wasteful number, since it uses less digits than its factorization.

231330133101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752501008359 (or 1752501008357 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 231330133101012 its reverse (210101331033132), we get a palindrome (441431464134144).

The spelling of 231330133101012 in words is "two hundred thirty-one trillion, three hundred thirty billion, one hundred thirty-three million, one hundred one thousand, twelve".