43131753121 has 8 divisors (see below), whose sum is σ = 43408692000. Its totient is φ = 42855577248.

The previous prime is 43131753107. The next prime is 43131753163. The reversal of 43131753121 is 12135713134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43131753121 - 2¹⁵ = 43131720353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43131750121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77116 + ... + 303661.

It is an arithmetic number, because the mean of its divisors is an integer number (5426086500).

Almost surely, 2^43131753121 is an apocalyptic number.

It is an amenable number.

43131753121 is a deficient number, since it is larger than the sum of its proper divisors (276938879).

43131753121 is a wasteful number, since it uses less digits than its factorization.

43131753121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381503.

The product of its digits is 7560, while the sum is 31.

The spelling of 43131753121 in words is "forty-three billion, one hundred thirty-one million, seven hundred fifty-three thousand, one hundred twenty-one".