31204021103053 has 2 divisors, whose sum is σ = 31204021103054. Its totient is φ = 31204021103052.

The previous prime is 31204021102987. The next prime is 31204021103111. The reversal of 31204021103053 is 35030112040213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19106716281129 + 12097304821924 = 4371123^2 + 3478118^2 .

It is a cyclic number.

It is not a de Polignac number, because 31204021103053 - 2²⁵ = 31203987548621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31204021107053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15602010551526 + 15602010551527.

It is an arithmetic number, because the mean of its divisors is an integer number (15602010551527).

Almost surely, 2^{31204021103053} is an apocalyptic number.

It is an amenable number.

31204021103053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31204021103053 is an equidigital number, since it uses as much as digits as its factorization.

31204021103053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 31204021103053 its reverse (35030112040213), we get a palindrome (66234133143266).

The spelling of 31204021103053 in words is "thirty-one trillion, two hundred four billion, twenty-one million, one hundred three thousand, fifty-three".