43131213134 has 4 divisors (see below), whose sum is σ = 64696819704. Its totient is φ = 21565606566.

The previous prime is 43131213133. The next prime is 43131213137.

43131213134 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43131213133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10782803282 + ... + 10782803285.

It is an arithmetic number, because the mean of its divisors is an integer number (16174204926).

Almost surely, 2^43131213134 is an apocalyptic number.

43131213134 is a deficient number, since it is larger than the sum of its proper divisors (21565606570).

43131213134 is a wasteful number, since it uses less digits than its factorization.

43131213134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21565606569.

The product of its digits is 2592, while the sum is 26.

The spelling of 43131213134 in words is "forty-three billion, one hundred thirty-one million, two hundred thirteen thousand, one hundred thirty-four".