102344321534 has 32 divisors (see below), whose sum is σ = 189775789056. Its totient is φ = 40309486560.

The previous prime is 102344321531. The next prime is 102344321561. The reversal of 102344321534 is 435123443201.

It is a super-2 number, since 2×102344321534² (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 102344321534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102344321531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197302 + ... + 1279929.

It is an arithmetic number, because the mean of its divisors is an integer number (5930493408).

Almost surely, 2^102344321534 is an apocalyptic number.

102344321534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102344321534 is a deficient number, since it is larger than the sum of its proper divisors (87431467522).

102344321534 is a wasteful number, since it uses less digits than its factorization.

102344321534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477480.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 102344321534 its reverse (435123443201), we get a palindrome (537467764735).

The spelling of 102344321534 in words is "one hundred two billion, three hundred forty-four million, three hundred twenty-one thousand, five hundred thirty-four".