43135151431 has 2 divisors, whose sum is σ = 43135151432. Its totient is φ = 43135151430.

The previous prime is 43135151387. The next prime is 43135151473. The reversal of 43135151431 is 13415153134.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43135151431 is a prime.

It is a super-2 number, since 2×43135151431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43135151393 and 43135151402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43135157431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21567575715 + 21567575716.

It is an arithmetic number, because the mean of its divisors is an integer number (21567575716).

Almost surely, 2^43135151431 is an apocalyptic number.

43135151431 is a deficient number, since it is larger than the sum of its proper divisors (1).

43135151431 is an equidigital number, since it uses as much as digits as its factorization.

43135151431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The spelling of 43135151431 in words is "forty-three billion, one hundred thirty-five million, one hundred fifty-one thousand, four hundred thirty-one".