402432103081 has 2 divisors, whose sum is σ = 402432103082. Its totient is φ = 402432103080.

The previous prime is 402432103079. The next prime is 402432103111. The reversal of 402432103081 is 180301234204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306012537856 + 96419565225 = 553184^2 + 310515^2 .

It is a cyclic number.

It is not a de Polignac number, because 402432103081 - 2¹ = 402432103079 is a prime.

It is a super-2 number, since 2×402432103081² (a number of 24 digits) contains 22 as substring.

Together with 402432103079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (402432103061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201216051540 + 201216051541.

It is an arithmetic number, because the mean of its divisors is an integer number (201216051541).

Almost surely, 2^402432103081 is an apocalyptic number.

It is an amenable number.

402432103081 is a deficient number, since it is larger than the sum of its proper divisors (1).

402432103081 is an equidigital number, since it uses as much as digits as its factorization.

402432103081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 402432103081 its reverse (180301234204), we get a palindrome (582733337285).

The spelling of 402432103081 in words is "four hundred two billion, four hundred thirty-two million, one hundred three thousand, eighty-one".