73151628031 has 4 divisors (see below), whose sum is σ = 77454664992. Its totient is φ = 68848591072.

The previous prime is 73151628013. The next prime is 73151628049. The reversal of 73151628031 is 13082615137.

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

It is an interprime number because it is at equal distance from previous prime (73151628013) and next prime (73151628049).

It is a cyclic number.

It is not a de Polignac number, because 73151628031 - 2³⁵ = 38791889663 is a prime.

It is a super-2 number, since 2×73151628031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73151628001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151518455 + ... + 2151518488.

It is an arithmetic number, because the mean of its divisors is an integer number (19363666248).

Almost surely, 2^73151628031 is an apocalyptic number.

73151628031 is a deficient number, since it is larger than the sum of its proper divisors (4303036961).

73151628031 is a wasteful number, since it uses less digits than its factorization.

73151628031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303036960.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 73151628031 in words is "seventy-three billion, one hundred fifty-one million, six hundred twenty-eight thousand, thirty-one".