11020743431 has 2 divisors, whose sum is σ = 11020743432. Its totient is φ = 11020743430.

The previous prime is 11020743401. The next prime is 11020743491. The reversal of 11020743431 is 13434702011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020743431 is a prime.

It is a super-2 number, since 2×11020743431² (a number of 21 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 11020743431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020743401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510371715 + 5510371716.

It is an arithmetic number, because the mean of its divisors is an integer number (5510371716).

Almost surely, 2^11020743431 is an apocalyptic number.

11020743431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020743431 is an equidigital number, since it uses as much as digits as its factorization.

11020743431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 11020743431 in words is "eleven billion, twenty million, seven hundred forty-three thousand, four hundred thirty-one".