10431430431 has 4 divisors (see below), whose sum is σ = 13908573912. Its totient is φ = 6954286952.

The previous prime is 10431430381. The next prime is 10431430433. The reversal of 10431430431 is 13403413401.

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

It is a cyclic number.

It is not a de Polignac number, because 10431430431 - 2¹⁵ = 10431397663 is a prime.

It is a super-2 number, since 2×10431430431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10431430433) 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, 1738571736 + ... + 1738571741.

It is an arithmetic number, because the mean of its divisors is an integer number (3477143478).

Almost surely, 2^10431430431 is an apocalyptic number.

10431430431 is a deficient number, since it is larger than the sum of its proper divisors (3477143481).

10431430431 is an equidigital number, since it uses as much as digits as its factorization.

10431430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477143480.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 10431430431 its reverse (13403413401), we get a palindrome (23834843832).

The spelling of 10431430431 in words is "ten billion, four hundred thirty-one million, four hundred thirty thousand, four hundred thirty-one".