43151530531 has 2 divisors, whose sum is σ = 43151530532. Its totient is φ = 43151530530.

The previous prime is 43151530501. The next prime is 43151530547. The reversal of 43151530531 is 13503515134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43151530531 - 2¹³ = 43151522339 is a prime.

It is a super-2 number, since 2×43151530531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43151530493 and 43151530502.

It is not a weakly prime, because it can be changed into another prime (43151530501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21575765265 + 21575765266.

It is an arithmetic number, because the mean of its divisors is an integer number (21575765266).

Almost surely, 2^43151530531 is an apocalyptic number.

43151530531 is a deficient number, since it is larger than the sum of its proper divisors (1).

43151530531 is an equidigital number, since it uses as much as digits as its factorization.

43151530531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 43151530531 in words is "forty-three billion, one hundred fifty-one million, five hundred thirty thousand, five hundred thirty-one".