102143302031 has 4 divisors (see below), whose sum is σ = 102144006864. Its totient is φ = 102142597200.

The previous prime is 102143302007. The next prime is 102143302049. The reversal of 102143302031 is 130203341201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102143302031 - 2²² = 102139107727 is a prime.

It is a super-2 number, since 2×102143302031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102143301994 and 102143302012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102143301031) 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, 46550 + ... + 454371.

It is an arithmetic number, because the mean of its divisors is an integer number (25536001716).

Almost surely, 2^102143302031 is an apocalyptic number.

102143302031 is a deficient number, since it is larger than the sum of its proper divisors (704833).

102143302031 is an equidigital number, since it uses as much as digits as its factorization.

102143302031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704832.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102143302031 its reverse (130203341201), we get a palindrome (232346643232).

The spelling of 102143302031 in words is "one hundred two billion, one hundred forty-three million, three hundred two thousand, thirty-one".