203201120131 has 2 divisors, whose sum is σ = 203201120132. Its totient is φ = 203201120130.

The previous prime is 203201120081. The next prime is 203201120137. The reversal of 203201120131 is 131021102302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203201120131 - 2²¹ = 203199022979 is a prime.

It is a super-2 number, since 2×203201120131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203201120137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101600560065 + 101600560066.

It is an arithmetic number, because the mean of its divisors is an integer number (101600560066).

Almost surely, 2^203201120131 is an apocalyptic number.

203201120131 is a deficient number, since it is larger than the sum of its proper divisors (1).

203201120131 is an equidigital number, since it uses as much as digits as its factorization.

203201120131 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 16.

Adding to 203201120131 its reverse (131021102302), we get a palindrome (334222222433).

The spelling of 203201120131 in words is "two hundred three billion, two hundred one million, one hundred twenty thousand, one hundred thirty-one".