10431431411421 has 4 divisors (see below), whose sum is σ = 13908575215232. Its totient is φ = 6954287607612.

The previous prime is 10431431411417. The next prime is 10431431411449. The reversal of 10431431411421 is 12411413413401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10431431411421 - 2² = 10431431411417 is a prime.

It is a super-2 number, since 2×10431431411421² (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 (10431431411461) by changing a digit.

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, 1738571901901 + ... + 1738571901906.

It is an arithmetic number, because the mean of its divisors is an integer number (3477143803808).

Almost surely, 2^{10431431411421} is an apocalyptic number.

It is an amenable number.

10431431411421 is a deficient number, since it is larger than the sum of its proper divisors (3477143803811).

10431431411421 is an equidigital number, since it uses as much as digits as its factorization.

10431431411421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477143803810.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 10431431411421 its reverse (12411413413401), we get a palindrome (22842844824822).

The spelling of 10431431411421 in words is "ten trillion, four hundred thirty-one billion, four hundred thirty-one million, four hundred eleven thousand, four hundred twenty-one".