42311541 has 4 divisors (see below), whose sum is σ = 56415392. Its totient is φ = 28207692.

The previous prime is 42311519. The next prime is 42311557. The reversal of 42311541 is 14511324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42311541 - 2⁷ = 42311413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42311561) 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, 7051921 + ... + 7051926.

It is an arithmetic number, because the mean of its divisors is an integer number (14103848).

Almost surely, 2^42311541 is an apocalyptic number.

It is an amenable number.

42311541 is a deficient number, since it is larger than the sum of its proper divisors (14103851).

42311541 is a wasteful number, since it uses less digits than its factorization.

42311541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14103850.

The product of its digits is 480, while the sum is 21.

The square root of 42311541 is about 6504.7322004830. The cubic root of 42311541 is about 348.4600122772.

Adding to 42311541 its reverse (14511324), we get a palindrome (56822865).

The spelling of 42311541 in words is "forty-two million, three hundred eleven thousand, five hundred forty-one".