31003214201 has 2 divisors, whose sum is σ = 31003214202. Its totient is φ = 31003214200.

The previous prime is 31003214191. The next prime is 31003214227. The reversal of 31003214201 is 10241230013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29654562025 + 1348652176 = 172205^2 + 36724^2 .

It is a cyclic number.

It is not a de Polignac number, because 31003214201 - 2¹⁴ = 31003197817 is a prime.

It is a super-2 number, since 2×31003214201² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31003214201.

It is not a weakly prime, because it can be changed into another prime (31003214101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15501607100 + 15501607101.

It is an arithmetic number, because the mean of its divisors is an integer number (15501607101).

Almost surely, 2^31003214201 is an apocalyptic number.

It is an amenable number.

31003214201 is a deficient number, since it is larger than the sum of its proper divisors (1).

31003214201 is an equidigital number, since it uses as much as digits as its factorization.

31003214201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31003214201 its reverse (10241230013), we get a palindrome (41244444214).

The spelling of 31003214201 in words is "thirty-one billion, three million, two hundred fourteen thousand, two hundred one".