743036131 has 4 divisors (see below), whose sum is σ = 743400112. Its totient is φ = 742672152.

The previous prime is 743036123. The next prime is 743036143. The reversal of 743036131 is 131630347.

It is a happy number.

743036131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 743036131 - 2³ = 743036123 is a prime.

It is a super-2 number, since 2×743036131² = 1104205383942898322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 743036131.

It is not an unprimeable number, because it can be changed into a prime (743036101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178911 + ... + 183016.

It is an arithmetic number, because the mean of its divisors is an integer number (185850028).

Almost surely, 2^743036131 is an apocalyptic number.

743036131 is a deficient number, since it is larger than the sum of its proper divisors (363981).

743036131 is a wasteful number, since it uses less digits than its factorization.

743036131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363980.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 743036131 is about 27258.6890917373. The cubic root of 743036131 is about 905.7395056510.

Adding to 743036131 its reverse (131630347), we get a palindrome (874666478).

The spelling of 743036131 in words is "seven hundred forty-three million, thirty-six thousand, one hundred thirty-one".