431401011303 has 4 divisors (see below), whose sum is σ = 575201348408. Its totient is φ = 287600674200.

The previous prime is 431401011259. The next prime is 431401011323. The reversal of 431401011303 is 303110104134.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 431401011303 - 2¹² = 431401007207 is a prime.

It is a super-2 number, since 2×431401011303² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431401011303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431401011323) 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, 71900168548 + ... + 71900168553.

It is an arithmetic number, because the mean of its divisors is an integer number (143800337102).

Almost surely, 2^431401011303 is an apocalyptic number.

431401011303 is a deficient number, since it is larger than the sum of its proper divisors (143800337105).

431401011303 is a wasteful number, since it uses less digits than its factorization.

431401011303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143800337104.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 431401011303 its reverse (303110104134), we get a palindrome (734511115437).

The spelling of 431401011303 in words is "four hundred thirty-one billion, four hundred one million, eleven thousand, three hundred three".