42311429 has 4 divisors (see below), whose sum is σ = 42324480. Its totient is φ = 42298380.

The previous prime is 42311417. The next prime is 42311431. The reversal of 42311429 is 92411324.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42311429 - 2⁴ = 42311413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42311398 and 42311407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42311449) 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, 2492 + ... + 9530.

It is an arithmetic number, because the mean of its divisors is an integer number (10581120).

Almost surely, 2^42311429 is an apocalyptic number.

It is an amenable number.

42311429 is a deficient number, since it is larger than the sum of its proper divisors (13051).

42311429 is an equidigital number, since it uses as much as digits as its factorization.

42311429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13050.

The product of its digits is 1728, while the sum is 26.

The square root of 42311429 is about 6504.7235913604. The cubic root of 42311429 is about 348.4597048154.

The spelling of 42311429 in words is "forty-two million, three hundred eleven thousand, four hundred twenty-nine".