231332012130 has 32 divisors (see below), whose sum is σ = 555318301824. Its totient is φ = 61675039616.

The previous prime is 231332012113. The next prime is 231332012137. The reversal of 231332012130 is 31210233132.

231332012130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231332012130² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231332012097 and 231332012106.

It is not an unprimeable number, because it can be changed into a prime (231332012137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703779 + ... + 978758.

It is an arithmetic number, because the mean of its divisors is an integer number (17353696932).

Almost surely, 2^231332012130 is an apocalyptic number.

231332012130 is an abundant number, since it is smaller than the sum of its proper divisors (323986289694).

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

231332012130 is a wasteful number, since it uses less digits than its factorization.

231332012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687130.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231332012130 its reverse (31210233132), we get a palindrome (262542245262).

The spelling of 231332012130 in words is "two hundred thirty-one billion, three hundred thirty-two million, twelve thousand, one hundred thirty".