10021231430431 has 12 divisors (see below), whose sum is σ = 11116060734240. Its totient is φ = 9024748749120.

The previous prime is 10021231430333. The next prime is 10021231430437. The reversal of 10021231430431 is 13403413212001.

It is not a de Polignac number, because 10021231430431 - 2¹³ = 10021231422239 is a prime.

It is a super-2 number, since 2×10021231430431² (a number of 27 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 = 10021231430396 and 10021231430405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021231430437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 723129991 + ... + 723143848.

It is an arithmetic number, because the mean of its divisors is an integer number (926338394520).

Almost surely, 2^{10021231430431} is an apocalyptic number.

10021231430431 is a deficient number, since it is larger than the sum of its proper divisors (1094829303809).

10021231430431 is a wasteful number, since it uses less digits than its factorization.

10021231430431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446273906 (or 1446273893 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 10021231430431 its reverse (13403413212001), we get a palindrome (23424644642432).

The spelling of 10021231430431 in words is "ten trillion, twenty-one billion, two hundred thirty-one million, four hundred thirty thousand, four hundred thirty-one".