4003431401311 has 4 divisors (see below), whose sum is σ = 4238927366112. Its totient is φ = 3767935436512.

The previous prime is 4003431401309. The next prime is 4003431401341. The reversal of 4003431401311 is 1131041343004.

It is a happy number.

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 4003431401311 - 2¹ = 4003431401309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003431401341) 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, 117747982375 + ... + 117747982408.

It is an arithmetic number, because the mean of its divisors is an integer number (1059731841528).

Almost surely, 2^{4003431401311} is an apocalyptic number.

4003431401311 is a deficient number, since it is larger than the sum of its proper divisors (235495964801).

4003431401311 is a wasteful number, since it uses less digits than its factorization.

4003431401311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235495964800.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 4003431401311 its reverse (1131041343004), we get a palindrome (5134472744315).

The spelling of 4003431401311 in words is "four trillion, three billion, four hundred thirty-one million, four hundred one thousand, three hundred eleven".