31461301 has 2 divisors, whose sum is σ = 31461302. Its totient is φ = 31461300.

The previous prime is 31461293. The next prime is 31461341. The reversal of 31461301 is 10316413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22752900 + 8708401 = 4770^2 + 2951^2 .

It is a cyclic number.

It is not a de Polignac number, because 31461301 - 2³ = 31461293 is a prime.

It is a super-2 number, since 2×31461301² = 1979626921225202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31461341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15730650 + 15730651.

It is an arithmetic number, because the mean of its divisors is an integer number (15730651).

Almost surely, 2^31461301 is an apocalyptic number.

It is an amenable number.

31461301 is a deficient number, since it is larger than the sum of its proper divisors (1).

31461301 is an equidigital number, since it uses as much as digits as its factorization.

31461301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 31461301 is about 5609.0374397039. The cubic root of 31461301 is about 315.6885952434.

Adding to 31461301 its reverse (10316413), we get a palindrome (41777714).

The spelling of 31461301 in words is "thirty-one million, four hundred sixty-one thousand, three hundred one".