102335425381 has 6 divisors (see below), whose sum is σ = 119043249990. Its totient is φ = 87716078856.

The previous prime is 102335425369. The next prime is 102335425441. The reversal of 102335425381 is 183524533201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 96762056356 + 5573369025 = 311066^2 + 74655^2 .

It is not a de Polignac number, because 102335425381 - 2⁷ = 102335425253 is a prime.

It is a super-2 number, since 2×102335425381² (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 102335425381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102335425331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1044238986 + ... + 1044239083.

It is an arithmetic number, because the mean of its divisors is an integer number (19840541665).

Almost surely, 2^102335425381 is an apocalyptic number.

It is an amenable number.

102335425381 is a deficient number, since it is larger than the sum of its proper divisors (16707824609).

102335425381 is an equidigital number, since it uses as much as digits as its factorization.

102335425381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088478083 (or 2088478076 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 102335425381 its reverse (183524533201), we get a palindrome (285859958582).

The spelling of 102335425381 in words is "one hundred two billion, three hundred thirty-five million, four hundred twenty-five thousand, three hundred eighty-one".