102040043040431 has 8 divisors (see below), whose sum is σ = 102277607862528. Its totient is φ = 101802481983000.

The previous prime is 102040043040391. The next prime is 102040043040451. The reversal of 102040043040431 is 134040340040201.

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

It is a cyclic number.

It is not a de Polignac number, because 102040043040431 - 2³⁸ = 101765165133487 is a prime.

It is a super-2 number, since 2×102040043040431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102040043040431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102040043040451) 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, 57557936 + ... + 59304266.

It is an arithmetic number, because the mean of its divisors is an integer number (12784700982816).

Almost surely, 2^{102040043040431} is an apocalyptic number.

102040043040431 is a deficient number, since it is larger than the sum of its proper divisors (237564822097).

102040043040431 is a wasteful number, since it uses less digits than its factorization.

102040043040431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882333.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 102040043040431 its reverse (134040340040201), we get a palindrome (236080383080632).

The spelling of 102040043040431 in words is "one hundred two trillion, forty billion, forty-three million, forty thousand, four hundred thirty-one".