42431022333013 has 4 divisors (see below), whose sum is σ = 42431036361868. Its totient is φ = 42431008304160.

The previous prime is 42431022332987. The next prime is 42431022333137. The reversal of 42431022333013 is 31033322013424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 28995403328644 + 13435619004369 = 5384738^2 + 3665463^2 .

It is a cyclic number.

It is not a de Polignac number, because 42431022333013 - 2⁵ = 42431022332981 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 (42431022331013) 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, 396006 + ... + 9220567.

It is an arithmetic number, because the mean of its divisors is an integer number (10607759090467).

Almost surely, 2^{42431022333013} is an apocalyptic number.

It is an amenable number.

42431022333013 is a deficient number, since it is larger than the sum of its proper divisors (14028855).

42431022333013 is an equidigital number, since it uses as much as digits as its factorization.

42431022333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14028854.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 42431022333013 its reverse (31033322013424), we get a palindrome (73464344346437).

The spelling of 42431022333013 in words is "forty-two trillion, four hundred thirty-one billion, twenty-two million, three hundred thirty-three thousand, thirteen".