13431014343044 has 12 divisors (see below), whose sum is σ = 24077550103068. Its totient is φ = 6551714313600.

The previous prime is 13431014343001. The next prime is 13431014343049. The reversal of 13431014343044 is 44034341013431.

It can be written as a sum of positive squares in 2 ways, for example, as 2171379073600 + 11259635269444 = 1473560^2 + 3355538^2 .

It is a super-2 number, since 2×13431014343044² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13431014342995 and 13431014343013.

It is not an unprimeable number, because it can be changed into a prime (13431014343049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40948214297 + ... + 40948214624.

It is an arithmetic number, because the mean of its divisors is an integer number (2006462508589).

Almost surely, 2^{13431014343044} is an apocalyptic number.

It is an amenable number.

13431014343044 is a deficient number, since it is larger than the sum of its proper divisors (10646535760024).

13431014343044 is a wasteful number, since it uses less digits than its factorization.

13431014343044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81896428966 (or 81896428964 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 13431014343044 its reverse (44034341013431), we get a palindrome (57465355356475).

The spelling of 13431014343044 in words is "thirteen trillion, four hundred thirty-one billion, fourteen million, three hundred forty-three thousand, forty-four".