31441102201 has 2 divisors, whose sum is σ = 31441102202. Its totient is φ = 31441102200.

The previous prime is 31441102181. The next prime is 31441102223. The reversal of 31441102201 is 10220114413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19958908176 + 11482194025 = 141276^2 + 107155^2 .

It is a cyclic number.

It is not a de Polignac number, because 31441102201 - 2¹¹ = 31441100153 is a prime.

It is a super-2 number, since 2×31441102201² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31441102271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15720551100 + 15720551101.

It is an arithmetic number, because the mean of its divisors is an integer number (15720551101).

Almost surely, 2^31441102201 is an apocalyptic number.

It is an amenable number.

31441102201 is a deficient number, since it is larger than the sum of its proper divisors (1).

31441102201 is an equidigital number, since it uses as much as digits as its factorization.

31441102201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31441102201 its reverse (10220114413), we get a palindrome (41661216614).

The spelling of 31441102201 in words is "thirty-one billion, four hundred forty-one million, one hundred two thousand, two hundred one".