43000013003 has 4 divisors (see below), whose sum is σ = 43425755808. Its totient is φ = 42574270200.

The previous prime is 43000012999. The next prime is 43000013071. The reversal of 43000013003 is 30031000034.

It is a happy number.

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 43000013003 - 2² = 43000012999 is a prime.

It is a super-2 number, since 2×43000013003² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43000013083) 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, 212871251 + ... + 212871452.

It is an arithmetic number, because the mean of its divisors is an integer number (10856438952).

Almost surely, 2^43000013003 is an apocalyptic number.

43000013003 is a deficient number, since it is larger than the sum of its proper divisors (425742805).

43000013003 is a wasteful number, since it uses less digits than its factorization.

43000013003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425742804.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 43000013003 its reverse (30031000034), we get a palindrome (73031013037).

The spelling of 43000013003 in words is "forty-three billion, thirteen thousand, three".