10021431324434 has 8 divisors (see below), whose sum is σ = 15032193866508. Its totient is φ = 5010700035600.

The previous prime is 10021431324427. The next prime is 10021431324469. The reversal of 10021431324434 is 43442313412001.

It can be written as a sum of positive squares in 2 ways, for example, as 7501830668809 + 2519600655625 = 2738947^2 + 1587325^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 10021431324434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6994517 + ... + 8304584.

Almost surely, 2^{10021431324434} is an apocalyptic number.

10021431324434 is a deficient number, since it is larger than the sum of its proper divisors (5010762542074).

10021431324434 is a wasteful number, since it uses less digits than its factorization.

10021431324434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15626620.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 10021431324434 its reverse (43442313412001), we get a palindrome (53463744736435).

The spelling of 10021431324434 in words is "ten trillion, twenty-one billion, four hundred thirty-one million, three hundred twenty-four thousand, four hundred thirty-four".