4011213431 has 4 divisors (see below), whose sum is σ = 4018047432. Its totient is φ = 4004379432.

The previous prime is 4011213421. The next prime is 4011213433. The reversal of 4011213431 is 1343121104.

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 4011213431 - 2²² = 4007019127 is a prime.

It is a super-2 number, since 2×4011213431² = 32179666378069583522, which 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 (4011213433) 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, 3416120 + ... + 3417293.

It is an arithmetic number, because the mean of its divisors is an integer number (1004511858).

Almost surely, 2^4011213431 is an apocalyptic number.

4011213431 is a deficient number, since it is larger than the sum of its proper divisors (6834001).

4011213431 is an equidigital number, since it uses as much as digits as its factorization.

4011213431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834000.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4011213431 is about 63334.1411167784. The cubic root of 4011213431 is about 1588.8830190156.

Adding to 4011213431 its reverse (1343121104), we get a palindrome (5354334535).

The spelling of 4011213431 in words is "four billion, eleven million, two hundred thirteen thousand, four hundred thirty-one".