42313451 has 8 divisors (see below), whose sum is σ = 43241904. Its totient is φ = 41389920.

The previous prime is 42313441. The next prime is 42313507. The reversal of 42313451 is 15431324.

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 42313451 - 2⁶ = 42313387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42313441) 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, 20036 + ... + 22046.

It is an arithmetic number, because the mean of its divisors is an integer number (5405238).

Almost surely, 2^42313451 is an apocalyptic number.

42313451 is a deficient number, since it is larger than the sum of its proper divisors (928453).

42313451 is a wasteful number, since it uses less digits than its factorization.

42313451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461.

The product of its digits is 1440, while the sum is 23.

The square root of 42313451 is about 6504.8790150163. The cubic root of 42313451 is about 348.4652555166.

Adding to 42313451 its reverse (15431324), we get a palindrome (57744775).

The spelling of 42313451 in words is "forty-two million, three hundred thirteen thousand, four hundred fifty-one".