42311052 has 48 divisors (see below), whose sum is σ = 125368320. Its totient is φ = 12088656.

The previous prime is 42311033. The next prime is 42311089. The reversal of 42311052 is 25011324.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27228 + ... + 28739.

It is an arithmetic number, because the mean of its divisors is an integer number (2611840).

Almost surely, 2^42311052 is an apocalyptic number.

42311052 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42311052 is an abundant number, since it is smaller than the sum of its proper divisors (83057268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42311052 is a wasteful number, since it uses less digits than its factorization.

42311052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55987 (or 55979 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 42311052 is about 6504.6946123550. The cubic root of 42311052 is about 348.4586698728.

Adding to 42311052 its reverse (25011324), we get a palindrome (67322376).

The spelling of 42311052 in words is "forty-two million, three hundred eleven thousand, fifty-two".