31000001201 has 16 divisors (see below), whose sum is σ = 34061153280. Its totient is φ = 28039072320.

The previous prime is 31000001189. The next prime is 31000001213. The reversal of 31000001201 is 10210000013.

It is an interprime number because it is at equal distance from previous prime (31000001189) and next prime (31000001213).

It is a cyclic number.

It is not a de Polignac number, because 31000001201 - 2¹⁴ = 30999984817 is a prime.

It is a super-2 number, since 2×31000001201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31000004201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134240 + ... + 282878.

It is an arithmetic number, because the mean of its divisors is an integer number (2128822080).

Almost surely, 2^31000001201 is an apocalyptic number.

It is an amenable number.

31000001201 is a deficient number, since it is larger than the sum of its proper divisors (3061152079).

31000001201 is a wasteful number, since it uses less digits than its factorization.

31000001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148976.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 31000001201 its reverse (10210000013), we get a palindrome (41210001214).

The spelling of 31000001201 in words is "thirty-one billion, one thousand, two hundred one".