4013323431 has 32 divisors (see below), whose sum is σ = 6072541440. Its totient is φ = 2337237504.

The previous prime is 4013323421. The next prime is 4013323441. The reversal of 4013323431 is 1343233104.

It is an interprime number because it is at equal distance from previous prime (4013323421) and next prime (4013323441).

It is not a de Polignac number, because 4013323431 - 2¹⁰ = 4013322407 is a prime.

It is a super-2 number, since 2×4013323431² = 32213529923627223522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013323421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 859455 + ... + 864111.

It is an arithmetic number, because the mean of its divisors is an integer number (189766920).

Almost surely, 2^4013323431 is an apocalyptic number.

4013323431 is a deficient number, since it is larger than the sum of its proper divisors (2059218009).

4013323431 is a wasteful number, since it uses less digits than its factorization.

4013323431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 4013323431 is about 63350.7966090404. The cubic root of 4013323431 is about 1589.1615677688.

Adding to 4013323431 its reverse (1343233104), we get a palindrome (5356556535).

The spelling of 4013323431 in words is "four billion, thirteen million, three hundred twenty-three thousand, four hundred thirty-one".