31411201 has 2 divisors, whose sum is σ = 31411202. Its totient is φ = 31411200.

The previous prime is 31411183. The next prime is 31411229. The reversal of 31411201 is 10211413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31371201 + 40000 = 5601^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 31411201 - 2⁷ = 31411073 is a prime.

It is not a weakly prime, because it can be changed into another prime (31411271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15705600 + 15705601.

It is an arithmetic number, because the mean of its divisors is an integer number (15705601).

Almost surely, 2^31411201 is an apocalyptic number.

It is an amenable number.

31411201 is a deficient number, since it is larger than the sum of its proper divisors (1).

31411201 is an equidigital number, since it uses as much as digits as its factorization.

31411201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 31411201 is about 5604.5696534168. The cubic root of 31411201 is about 315.5209352838.

Adding to 31411201 its reverse (10211413), we get a palindrome (41622614).

The spelling of 31411201 in words is "thirty-one million, four hundred eleven thousand, two hundred one".