10021023210431 has 4 divisors (see below), whose sum is σ = 10021029661272. Its totient is φ = 10021016759592.

The previous prime is 10021023210421. The next prime is 10021023210461. The reversal of 10021023210431 is 13401232012001.

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 a de Polignac number, because none of the positive numbers 2^k-10021023210431 is a prime.

It is a super-2 number, since 2×10021023210431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021023210421) 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, 685241 + ... + 4528973.

It is an arithmetic number, because the mean of its divisors is an integer number (2505257415318).

Almost surely, 2^{10021023210431} is an apocalyptic number.

10021023210431 is a deficient number, since it is larger than the sum of its proper divisors (6450841).

10021023210431 is an equidigital number, since it uses as much as digits as its factorization.

10021023210431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450840.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10021023210431 its reverse (13401232012001), we get a palindrome (23422255222432).

The spelling of 10021023210431 in words is "ten trillion, twenty-one billion, twenty-three million, two hundred ten thousand, four hundred thirty-one".