1431143422340 has 48 divisors (see below), whose sum is σ = 3023994786624. Its totient is φ = 568926652800.

The previous prime is 1431143422339. The next prime is 1431143422343. The reversal of 1431143422340 is 432243411341.

It is a super-2 number, since 2×1431143422340² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1431143422297 and 1431143422306.

It is not an unprimeable number, because it can be changed into a prime (1431143422343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757555 + ... + 2439525.

It is an arithmetic number, because the mean of its divisors is an integer number (62999891388).

Almost surely, 2^{1431143422340} is an apocalyptic number.

1431143422340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431143422340 is an abundant number, since it is smaller than the sum of its proper divisors (1592851364284).

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

1431143422340 is a wasteful number, since it uses less digits than its factorization.

1431143422340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682628 (or 682626 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1431143422340 its reverse (432243411341), we get a palindrome (1863386833681).

The spelling of 1431143422340 in words is "one trillion, four hundred thirty-one billion, one hundred forty-three million, four hundred twenty-two thousand, three hundred forty".