231232211002 has 16 divisors (see below), whose sum is σ = 374080726152. Its totient is φ = 106564910400.

The previous prime is 231232210987. The next prime is 231232211053. The reversal of 231232211002 is 200112232132.

It can be written as a sum of positive squares in 4 ways, for example, as 192107766601 + 39124444401 = 438301^2 + 197799^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6550749 + ... + 6585952.

Almost surely, 2^231232211002 is an apocalyptic number.

231232211002 is a deficient number, since it is larger than the sum of its proper divisors (142848515150).

231232211002 is a wasteful number, since it uses less digits than its factorization.

231232211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13137393.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 231232211002 its reverse (200112232132), we get a palindrome (431344443134).

The spelling of 231232211002 in words is "two hundred thirty-one billion, two hundred thirty-two million, two hundred eleven thousand, two".