201302112131 has 2 divisors, whose sum is σ = 201302112132. Its totient is φ = 201302112130.

The previous prime is 201302112101. The next prime is 201302112229. The reversal of 201302112131 is 131211203102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201302112131 is a prime.

It is a super-2 number, since 2×201302112131² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (201302112101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100651056065 + 100651056066.

It is an arithmetic number, because the mean of its divisors is an integer number (100651056066).

Almost surely, 2^201302112131 is an apocalyptic number.

201302112131 is a deficient number, since it is larger than the sum of its proper divisors (1).

201302112131 is an equidigital number, since it uses as much as digits as its factorization.

201302112131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 201302112131 its reverse (131211203102), we get a palindrome (332513315233).

The spelling of 201302112131 in words is "two hundred one billion, three hundred two million, one hundred twelve thousand, one hundred thirty-one".