42232311 has 24 divisors (see below), whose sum is σ = 67551744. Its totient is φ = 25209360.

The previous prime is 42232279. The next prime is 42232327. The reversal of 42232311 is 11323224.

42232311 = 1375² + 1376² + ... + 1396².

It is not a de Polignac number, because 42232311 - 2⁵ = 42232279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42232331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3450 + ... + 9816.

It is an arithmetic number, because the mean of its divisors is an integer number (2814656).

Almost surely, 2^42232311 is an apocalyptic number.

42232311 is a deficient number, since it is larger than the sum of its proper divisors (25319433).

42232311 is a wasteful number, since it uses less digits than its factorization.

42232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451 (or 6448 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 42232311 is about 6498.6391652407. The cubic root of 42232311 is about 348.2423747507.

Adding to 42232311 its reverse (11323224), we get a palindrome (53555535).

The spelling of 42232311 in words is "forty-two million, two hundred thirty-two thousand, three hundred eleven".