102154003431 has 8 divisors (see below), whose sum is σ = 138775250160. Its totient is φ = 66817712832.

The previous prime is 102154003411. The next prime is 102154003463. The reversal of 102154003431 is 134300451201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102154003431 - 2¹⁰ = 102154002407 is a prime.

It is a super-2 number, since 2×102154003431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102154003411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321238846 + ... + 321239163.

It is an arithmetic number, because the mean of its divisors is an integer number (17346906270).

Almost surely, 2^102154003431 is an apocalyptic number.

102154003431 is a deficient number, since it is larger than the sum of its proper divisors (36621246729).

102154003431 is an equidigital number, since it uses as much as digits as its factorization.

102154003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642478065.

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

Adding to 102154003431 its reverse (134300451201), we get a palindrome (236454454632).

The spelling of 102154003431 in words is "one hundred two billion, one hundred fifty-four million, three thousand, four hundred thirty-one".