231132524132 has 6 divisors (see below), whose sum is σ = 404481917238. Its totient is φ = 115566262064.

The previous prime is 231132524111. The next prime is 231132524137. The reversal of 231132524132 is 231425231132.

It can be written as a sum of positive squares in only one way, i.e., 206748452416 + 24384071716 = 454696^2 + 156154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231132524095 and 231132524104.

It is not an unprimeable number, because it can be changed into a prime (231132524137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28891565513 + ... + 28891565520.

It is an arithmetic number, because the mean of its divisors is an integer number (67413652873).

Almost surely, 2^231132524132 is an apocalyptic number.

It is an amenable number.

231132524132 is a deficient number, since it is larger than the sum of its proper divisors (173349393106).

231132524132 is a wasteful number, since it uses less digits than its factorization.

231132524132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57783131037 (or 57783131035 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

Adding to 231132524132 its reverse (231425231132), we get a palindrome (462557755264).

The spelling of 231132524132 in words is "two hundred thirty-one billion, one hundred thirty-two million, five hundred twenty-four thousand, one hundred thirty-two".