102431603047 has 4 divisors (see below), whose sum is σ = 105963727320. Its totient is φ = 98899478776.

The previous prime is 102431603041. The next prime is 102431603051. The reversal of 102431603047 is 740306134201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740306134201 = 8677 ⋅85318213.

It is a cyclic number.

It is not a de Polignac number, because 102431603047 - 2³ = 102431603039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102431603041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1766062093 + ... + 1766062150.

It is an arithmetic number, because the mean of its divisors is an integer number (26490931830).

Almost surely, 2^102431603047 is an apocalyptic number.

102431603047 is a deficient number, since it is larger than the sum of its proper divisors (3532124273).

102431603047 is an equidigital number, since it uses as much as digits as its factorization.

102431603047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532124272.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 102431603047 its reverse (740306134201), we get a palindrome (842737737248).

The spelling of 102431603047 in words is "one hundred two billion, four hundred thirty-one million, six hundred three thousand, forty-seven".