1020032104431 has 4 divisors (see below), whose sum is σ = 1360042805912. Its totient is φ = 680021402952.

The previous prime is 1020032104411. The next prime is 1020032104453. The reversal of 1020032104431 is 1344012300201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1020032104431 - 2²¹ = 1020030007279 is a prime.

It is a super-2 number, since 2×1020032104431² (a number of 25 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 = 1020032104398 and 1020032104407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020032104411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170005350736 + ... + 170005350741.

It is an arithmetic number, because the mean of its divisors is an integer number (340010701478).

Almost surely, 2^{1020032104431} is an apocalyptic number.

1020032104431 is a deficient number, since it is larger than the sum of its proper divisors (340010701481).

1020032104431 is an equidigital number, since it uses as much as digits as its factorization.

1020032104431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340010701480.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1020032104431 its reverse (1344012300201), we get a palindrome (2364044404632).

The spelling of 1020032104431 in words is "one trillion, twenty billion, thirty-two million, one hundred four thousand, four hundred thirty-one".