201425302531 has 2 divisors, whose sum is σ = 201425302532. Its totient is φ = 201425302530.

The previous prime is 201425302469. The next prime is 201425302577. The reversal of 201425302531 is 135203524102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201425302531 - 2²⁹ = 200888431619 is a prime.

It is a super-2 number, since 2×201425302531² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201425302531.

It is not a weakly prime, because it can be changed into another prime (201425308531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100712651265 + 100712651266.

It is an arithmetic number, because the mean of its divisors is an integer number (100712651266).

Almost surely, 2^201425302531 is an apocalyptic number.

201425302531 is a deficient number, since it is larger than the sum of its proper divisors (1).

201425302531 is an equidigital number, since it uses as much as digits as its factorization.

201425302531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 201425302531 its reverse (135203524102), we get a palindrome (336628826633).

The spelling of 201425302531 in words is "two hundred one billion, four hundred twenty-five million, three hundred two thousand, five hundred thirty-one".