43404530131 has 2 divisors, whose sum is σ = 43404530132. Its totient is φ = 43404530130.

The previous prime is 43404530119. The next prime is 43404530137. The reversal of 43404530131 is 13103540434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43404530131 - 2¹⁵ = 43404497363 is a prime.

It is a super-2 number, since 2×43404530131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43404530131.

It is not a weakly prime, because it can be changed into another prime (43404530137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21702265065 + 21702265066.

It is an arithmetic number, because the mean of its divisors is an integer number (21702265066).

Almost surely, 2^43404530131 is an apocalyptic number.

43404530131 is a deficient number, since it is larger than the sum of its proper divisors (1).

43404530131 is an equidigital number, since it uses as much as digits as its factorization.

43404530131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 43404530131 in words is "forty-three billion, four hundred four million, five hundred thirty thousand, one hundred thirty-one".