42232431311 has 4 divisors (see below), whose sum is σ = 48265635792. Its totient is φ = 36199226832.

The previous prime is 42232431301. The next prime is 42232431347. The reversal of 42232431311 is 11313423224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42232431311 - 2⁶ = 42232431247 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 (42232431301) 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, 3016602230 + ... + 3016602243.

It is an arithmetic number, because the mean of its divisors is an integer number (12066408948).

Almost surely, 2^42232431311 is an apocalyptic number.

42232431311 is a deficient number, since it is larger than the sum of its proper divisors (6033204481).

42232431311 is an equidigital number, since it uses as much as digits as its factorization.

42232431311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033204480.

The product of its digits is 3456, while the sum is 26.

Adding to 42232431311 its reverse (11313423224), we get a palindrome (53545854535).

The spelling of 42232431311 in words is "forty-two billion, two hundred thirty-two million, four hundred thirty-one thousand, three hundred eleven".