731520100042133 has 4 divisors (see below), whose sum is σ = 731521702029888. Its totient is φ = 731518498054380.

The previous prime is 731520100042079. The next prime is 731520100042181. The reversal of 731520100042133 is 331240001025137.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 731520100042133 - 2¹⁴ = 731520100025749 is a prime.

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 731520100042133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731520100042933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800308733 + ... + 801222258.

It is an arithmetic number, because the mean of its divisors is an integer number (182880425507472).

Almost surely, 2^{731520100042133} is an apocalyptic number.

It is an amenable number.

731520100042133 is a deficient number, since it is larger than the sum of its proper divisors (1601987755).

731520100042133 is a wasteful number, since it uses less digits than its factorization.

731520100042133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601987754.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 731520100042133 in words is "seven hundred thirty-one trillion, five hundred twenty billion, one hundred million, forty-two thousand, one hundred thirty-three".