7131512743 has 2 divisors, whose sum is σ = 7131512744. Its totient is φ = 7131512742.

The previous prime is 7131512683. The next prime is 7131512749. The reversal of 7131512743 is 3472151317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7131512743 - 2²⁵ = 7097958311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7131512699 and 7131512708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7131512749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3565756371 + 3565756372.

It is an arithmetic number, because the mean of its divisors is an integer number (3565756372).

Almost surely, 2^7131512743 is an apocalyptic number.

7131512743 is a deficient number, since it is larger than the sum of its proper divisors (1).

7131512743 is an equidigital number, since it uses as much as digits as its factorization.

7131512743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 7131512743 is about 84448.2844289924. The cubic root of 7131512743 is about 1924.8366864769.

The spelling of 7131512743 in words is "seven billion, one hundred thirty-one million, five hundred twelve thousand, seven hundred forty-three".