635230321400131 has 2 divisors, whose sum is σ = 635230321400132. Its totient is φ = 635230321400130.

The previous prime is 635230321400119. The next prime is 635230321400173. The reversal of 635230321400131 is 131004123032536.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 635230321400131 - 2²⁷ = 635230187182403 is a prime.

It is a super-2 number, since 2×635230321400131² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (635230321401131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317615160700065 + 317615160700066.

It is an arithmetic number, because the mean of its divisors is an integer number (317615160700066).

Almost surely, 2^{635230321400131} is an apocalyptic number.

635230321400131 is a deficient number, since it is larger than the sum of its proper divisors (1).

635230321400131 is an equidigital number, since it uses as much as digits as its factorization.

635230321400131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 635230321400131 its reverse (131004123032536), we get a palindrome (766234444432667).

The spelling of 635230321400131 in words is "six hundred thirty-five trillion, two hundred thirty billion, three hundred twenty-one million, four hundred thousand, one hundred thirty-one".