10204401631 has 2 divisors, whose sum is σ = 10204401632. Its totient is φ = 10204401630.

The previous prime is 10204401629. The next prime is 10204401637. The reversal of 10204401631 is 13610440201.

It is a weak prime.

It is an emirp because it is prime and its reverse (13610440201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10204401631 - 2¹ = 10204401629 is a prime.

It is a super-2 number, since 2×10204401631² (a number of 21 digits) contains 22 as substring.

Together with 10204401629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10204401637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102200815 + 5102200816.

It is an arithmetic number, because the mean of its divisors is an integer number (5102200816).

Almost surely, 2^10204401631 is an apocalyptic number.

10204401631 is a deficient number, since it is larger than the sum of its proper divisors (1).

10204401631 is an equidigital number, since it uses as much as digits as its factorization.

10204401631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10204401631 its reverse (13610440201), we get a palindrome (23814841832).

The spelling of 10204401631 in words is "ten billion, two hundred four million, four hundred one thousand, six hundred thirty-one".