431401112340 has 192 divisors, whose sum is σ = 1418898539520. Its totient is φ = 96761743360.

The previous prime is 431401112299. The next prime is 431401112377. The reversal of 431401112340 is 43211104134.

It is a super-2 number, since 2×431401112340² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431401112340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 336139 + ... + 987821.

It is an arithmetic number, because the mean of its divisors is an integer number (7390096560).

Almost surely, 2^431401112340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431401112340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709449269760).

431401112340 is an abundant number, since it is smaller than the sum of its proper divisors (987497427180).

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

431401112340 is a wasteful number, since it uses less digits than its factorization.

431401112340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651782 (or 651780 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 431401112340 its reverse (43211104134), we get a palindrome (474612216474).

The spelling of 431401112340 in words is "four hundred thirty-one billion, four hundred one million, one hundred twelve thousand, three hundred forty".