431401111100 has 36 divisors (see below), whose sum is σ = 936313645008. Its totient is φ = 172528512000.

The previous prime is 431401111091. The next prime is 431401111109. The reversal of 431401111100 is 1111104134.

It is an interprime number because it is at equal distance from previous prime (431401111091) and next prime (431401111109).

It is a super-2 number, since 2×431401111100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431401111109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147665 + ... + 940535.

Almost surely, 2^431401111100 is an apocalyptic number.

It is an amenable number.

431401111100 is an abundant number, since it is smaller than the sum of its proper divisors (504912533908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431401111100 is a wasteful number, since it uses less digits than its factorization.

431401111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798326 (or 798319 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 431401111100 its reverse (1111104134), we get a palindrome (432512215234).

The spelling of 431401111100 in words is "four hundred thirty-one billion, four hundred one million, one hundred eleven thousand, one hundred".