431310342321240 has 32 divisors (see below), whose sum is σ = 1293931026964080. Its totient is φ = 115016091285632.

The previous prime is 431310342321233. The next prime is 431310342321307. The reversal of 431310342321240 is 42123243013134.

It is a super-2 number, since 2×431310342321240² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1797126426219 + ... + 1797126426458.

Almost surely, 2^{431310342321240} is an apocalyptic number.

431310342321240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431310342321240 is an abundant number, since it is smaller than the sum of its proper divisors (862620684642840).

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

431310342321240 is a wasteful number, since it uses less digits than its factorization.

431310342321240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594252852691 (or 3594252852687 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 431310342321240 its reverse (42123243013134), we get a palindrome (473433585334374).

The spelling of 431310342321240 in words is "four hundred thirty-one trillion, three hundred ten billion, three hundred forty-two million, three hundred twenty-one thousand, two hundred forty".