3131021201 has 16 divisors (see below), whose sum is σ = 3950650368. Its totient is φ = 2410357200.

The previous prime is 3131021167. The next prime is 3131021203. The reversal of 3131021201 is 1021201313.

It is a cyclic number.

It is not a de Polignac number, because 3131021201 - 2¹⁴ = 3131004817 is a prime.

It is a super-2 number, since 2×3131021201² = 19606587522222964802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3131021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238565 + ... + 251346.

It is an arithmetic number, because the mean of its divisors is an integer number (246915648).

Almost surely, 2^3131021201 is an apocalyptic number.

It is an amenable number.

3131021201 is a deficient number, since it is larger than the sum of its proper divisors (819629167).

3131021201 is a wasteful number, since it uses less digits than its factorization.

3131021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490012.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3131021201 is about 55955.5287795585. The cubic root of 3131021201 is about 1462.9472585944.

Adding to 3131021201 its reverse (1021201313), we get a palindrome (4152222514).

The spelling of 3131021201 in words is "three billion, one hundred thirty-one million, twenty-one thousand, two hundred one".