43151321342 has 16 divisors (see below), whose sum is σ = 66963857760. Its totient is φ = 20830144608.

The previous prime is 43151321333. The next prime is 43151321393. The reversal of 43151321342 is 24312315134.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535663 + ... + 1563509.

It is an arithmetic number, because the mean of its divisors is an integer number (4185241110).

Almost surely, 2^43151321342 is an apocalyptic number.

43151321342 is a deficient number, since it is larger than the sum of its proper divisors (23812536418).

43151321342 is a wasteful number, since it uses less digits than its factorization.

43151321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54595.

The product of its digits is 8640, while the sum is 29.

Adding to 43151321342 its reverse (24312315134), we get a palindrome (67463636476).

The spelling of 43151321342 in words is "forty-three billion, one hundred fifty-one million, three hundred twenty-one thousand, three hundred forty-two".