231320030132 has 24 divisors (see below), whose sum is σ = 451181485440. Its totient is φ = 103127195520.

The previous prime is 231320030131. The next prime is 231320030171. The reversal of 231320030132 is 231030023132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231320030131) 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, 89518844 + ... + 89521427.

It is an arithmetic number, because the mean of its divisors is an integer number (18799228560).

Almost surely, 2^231320030132 is an apocalyptic number.

It is an amenable number.

231320030132 is a deficient number, since it is larger than the sum of its proper divisors (219861455308).

231320030132 is a wasteful number, since it uses less digits than its factorization.

231320030132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179040311 (or 179040309 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231320030132 its reverse (231030023132), we get a palindrome (462350053264).

The spelling of 231320030132 in words is "two hundred thirty-one billion, three hundred twenty million, thirty thousand, one hundred thirty-two".