351040043 has 4 divisors (see below), whose sum is σ = 351133800. Its totient is φ = 350946288.

The previous prime is 351040031. The next prime is 351040049. The reversal of 351040043 is 340040153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340040153 = 15629 ⋅21757.

It is a cyclic number.

It is not a de Polignac number, because 351040043 - 2¹⁰ = 351039019 is a prime.

It is a super-2 number, since 2×351040043² = 246458223578883698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 351039997 and 351040024.

It is not an unprimeable number, because it can be changed into a prime (351040049) 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, 41018 + ... + 48831.

It is an arithmetic number, because the mean of its divisors is an integer number (87783450).

Almost surely, 2^351040043 is an apocalyptic number.

351040043 is a deficient number, since it is larger than the sum of its proper divisors (93757).

351040043 is an equidigital number, since it uses as much as digits as its factorization.

351040043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93756.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 351040043 is about 18736.0626333283. The cubic root of 351040043 is about 705.4272299386.

Adding to 351040043 its reverse (340040153), we get a palindrome (691080196).

The spelling of 351040043 in words is "three hundred fifty-one million, forty thousand, forty-three".