31214400332212 has 6 divisors (see below), whose sum is σ = 54625200581378. Its totient is φ = 15607200166104.

The previous prime is 31214400332209. The next prime is 31214400332249. The reversal of 31214400332212 is 21223300441213.

It can be written as a sum of positive squares in only one way, i.e., 25541743485456 + 5672656846756 = 5053884^2 + 2381734^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3901800041523 + ... + 3901800041530.

Almost surely, 2^{31214400332212} is an apocalyptic number.

It is an amenable number.

31214400332212 is a deficient number, since it is larger than the sum of its proper divisors (23410800249166).

31214400332212 is a wasteful number, since it uses less digits than its factorization.

31214400332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7803600083057 (or 7803600083055 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31214400332212 its reverse (21223300441213), we get a palindrome (52437700773425).

The spelling of 31214400332212 in words is "thirty-one trillion, two hundred fourteen billion, four hundred million, three hundred thirty-two thousand, two hundred twelve".