1343454543431 has 96 divisors (see below), whose sum is σ = 1923879175680. Its totient is φ = 911292560640.

The previous prime is 1343454543421. The next prime is 1343454543479.

1343454543431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1343454543431 - 2¹⁴ = 1343454527047 is a prime.

It is a super-2 number, since 2×1343454543431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343454543401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13681796 + ... + 13779638.

It is an arithmetic number, because the mean of its divisors is an integer number (20040408080).

Almost surely, 2^{1343454543431} is an apocalyptic number.

1343454543431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1343454543431 is a deficient number, since it is larger than the sum of its proper divisors (580424632249).

1343454543431 is a wasteful number, since it uses less digits than its factorization.

1343454543431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97957 (or 97946 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 44.

The spelling of 1343454543431 in words is "one trillion, three hundred forty-three billion, four hundred fifty-four million, five hundred forty-three thousand, four hundred thirty-one".