4311431421 has 64 divisors (see below), whose sum is σ = 7029918720. Its totient is φ = 2318883840.

The previous prime is 4311431413. The next prime is 4311431429. The reversal of 4311431421 is 1241341134.

It is an interprime number because it is at equal distance from previous prime (4311431413) and next prime (4311431429).

It is not a de Polignac number, because 4311431421 - 2³ = 4311431413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4311431391 and 4311431400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311431429) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 696486 + ... + 702648.

It is an arithmetic number, because the mean of its divisors is an integer number (109842480).

Almost surely, 2^4311431421 is an apocalyptic number.

It is an amenable number.

4311431421 is a deficient number, since it is larger than the sum of its proper divisors (2718487299).

4311431421 is a wasteful number, since it uses less digits than its factorization.

4311431421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266.

The product of its digits is 1152, while the sum is 24.

The square root of 4311431421 is about 65661.4911572986. The cubic root of 4311431421 is about 1627.5730654949.

Adding to 4311431421 its reverse (1241341134), we get a palindrome (5552772555).

The spelling of 4311431421 in words is "four billion, three hundred eleven million, four hundred thirty-one thousand, four hundred twenty-one".