231342032212 has 48 divisors (see below), whose sum is σ = 438148669392. Its totient is φ = 106470973440.

The previous prime is 231342032203. The next prime is 231342032269. The reversal of 231342032212 is 212230243132.

It can be written as a sum of positive squares in 8 ways, for example, as 3074037136 + 228267995076 = 55444^2 + 477774^2 .

It is a super-2 number, since 2×231342032212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1025512 + ... + 1230592.

It is an arithmetic number, because the mean of its divisors is an integer number (9128097279).

Almost surely, 2^231342032212 is an apocalyptic number.

It is an amenable number.

231342032212 is a deficient number, since it is larger than the sum of its proper divisors (206806637180).

231342032212 is a wasteful number, since it uses less digits than its factorization.

231342032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205468 (or 205466 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 231342032212 its reverse (212230243132), we get a palindrome (443572275344).

The spelling of 231342032212 in words is "two hundred thirty-one billion, three hundred forty-two million, thirty-two thousand, two hundred twelve".