102431620500 has 96 divisors (see below), whose sum is σ = 325397374848. Its totient is φ = 24831904000.

The previous prime is 102431620493. The next prime is 102431620517. The reversal of 102431620500 is 5026134201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3087489 + ... + 3120488.

It is an arithmetic number, because the mean of its divisors is an integer number (3389555988).

Almost surely, 2^102431620500 is an apocalyptic number.

102431620500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102431620500 is an abundant number, since it is smaller than the sum of its proper divisors (222965754348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102431620500 is a wasteful number, since it uses less digits than its factorization.

102431620500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208010 (or 6207998 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 102431620500 its reverse (5026134201), we get a palindrome (107457754701).

The spelling of 102431620500 in words is "one hundred two billion, four hundred thirty-one million, six hundred twenty thousand, five hundred".