73430033003431 has 8 divisors (see below), whose sum is σ = 79078565744640. Its totient is φ = 67781510071392.

The previous prime is 73430033003419. The next prime is 73430033003441. The reversal of 73430033003431 is 13430033003437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73430033003431 - 2⁷ = 73430033003303 is a prime.

It is a super-2 number, since 2×73430033003431² (a number of 29 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 (73430033003441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22494810 + ... + 25551448.

It is an arithmetic number, because the mean of its divisors is an integer number (9884820718080).

Almost surely, 2^{73430033003431} is an apocalyptic number.

73430033003431 is a deficient number, since it is larger than the sum of its proper divisors (5648532741209).

73430033003431 is a wasteful number, since it uses less digits than its factorization.

73430033003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904585.

The product of its (nonzero) digits is 81648, while the sum is 34.

Adding to 73430033003431 its reverse (13430033003437), we get a palindrome (86860066006868).

The spelling of 73430033003431 in words is "seventy-three trillion, four hundred thirty billion, thirty-three million, three thousand, four hundred thirty-one".