42311003 has 8 divisors (see below), whose sum is σ = 49148640. Its totient is φ = 35671680.

The previous prime is 42310999. The next prime is 42311033. The reversal of 42311003 is 30011324.

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

It is a cyclic number.

It is not a de Polignac number, because 42311003 - 2² = 42310999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42311033) 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, 49118 + ... + 49971.

It is an arithmetic number, because the mean of its divisors is an integer number (6143580).

Almost surely, 2^42311003 is an apocalyptic number.

42311003 is a deficient number, since it is larger than the sum of its proper divisors (6837637).

42311003 is an equidigital number, since it uses as much as digits as its factorization.

42311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99157.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 42311003 is about 6504.6908458435. The cubic root of 42311003 is about 348.4585353572.

Adding to 42311003 its reverse (30011324), we get a palindrome (72322327).

The spelling of 42311003 in words is "forty-two million, three hundred eleven thousand, three".