31002012103201 has 2 divisors, whose sum is σ = 31002012103202. Its totient is φ = 31002012103200.

The previous prime is 31002012103189. The next prime is 31002012103289. The reversal of 31002012103201 is 10230121020013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22361322458176 + 8640689645025 = 4728776^2 + 2939505^2 .

It is a cyclic number.

It is not a de Polignac number, because 31002012103201 - 2⁹ = 31002012102689 is a prime.

It is a super-2 number, since 2×31002012103201² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31002012103301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15501006051600 + 15501006051601.

It is an arithmetic number, because the mean of its divisors is an integer number (15501006051601).

Almost surely, 2^{31002012103201} is an apocalyptic number.

It is an amenable number.

31002012103201 is a deficient number, since it is larger than the sum of its proper divisors (1).

31002012103201 is an equidigital number, since it uses as much as digits as its factorization.

31002012103201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31002012103201 its reverse (10230121020013), we get a palindrome (41232133123214).

The spelling of 31002012103201 in words is "thirty-one trillion, two billion, twelve million, one hundred three thousand, two hundred one".