31330232203112 has 16 divisors (see below), whose sum is σ = 58744777853700. Its totient is φ = 15664958108800.

The previous prime is 31330232203093. The next prime is 31330232203117. The reversal of 31330232203112 is 21130223203313.

It can be written as a sum of positive squares in 2 ways, for example, as 29007552569956 + 2322679633156 = 5385866^2 + 1524034^2 .

It is not an unprimeable number, because it can be changed into a prime (31330232203117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18904187 + ... + 20494602.

Almost surely, 2^{31330232203112} is an apocalyptic number.

It is an amenable number.

31330232203112 is a deficient number, since it is larger than the sum of its proper divisors (27414545650588).

31330232203112 is a wasteful number, since it uses less digits than its factorization.

31330232203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39498196 (or 39498192 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31330232203112 its reverse (21130223203313), we get a palindrome (52460455406425).

The spelling of 31330232203112 in words is "thirty-one trillion, three hundred thirty billion, two hundred thirty-two million, two hundred three thousand, one hundred twelve".