431102321144 has 32 divisors (see below), whose sum is σ = 883253030400. Its totient is φ = 195632749920.

The previous prime is 431102321141. The next prime is 431102321171. The reversal of 431102321144 is 441123201134.

It is a super-2 number, since 2×431102321144² (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 (431102321141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3981914 + ... + 4088745.

It is an arithmetic number, because the mean of its divisors is an integer number (27601657200).

Almost surely, 2^431102321144 is an apocalyptic number.

431102321144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

431102321144 is an abundant number, since it is smaller than the sum of its proper divisors (452150709256).

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

431102321144 is a wasteful number, since it uses less digits than its factorization.

431102321144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071283 (or 8071279 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 431102321144 its reverse (441123201134), we get a palindrome (872225522278).

The spelling of 431102321144 in words is "four hundred thirty-one billion, one hundred two million, three hundred twenty-one thousand, one hundred forty-four".