42003136331213 has 4 divisors (see below), whose sum is σ = 42059065940928. Its totient is φ = 41947206721500.

The previous prime is 42003136331173. The next prime is 42003136331311. The reversal of 42003136331213 is 31213363130024.

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.

It is a cyclic number.

It is not a de Polignac number, because 42003136331213 - 2²⁸ = 42002867895757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42003136331213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003136334213) 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, 27964803731 + ... + 27964805232.

It is an arithmetic number, because the mean of its divisors is an integer number (10514766485232).

Almost surely, 2^{42003136331213} is an apocalyptic number.

It is an amenable number.

42003136331213 is a deficient number, since it is larger than the sum of its proper divisors (55929609715).

42003136331213 is an equidigital number, since it uses as much as digits as its factorization.

42003136331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55929609714.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 42003136331213 its reverse (31213363130024), we get a palindrome (73216499461237).

The spelling of 42003136331213 in words is "forty-two trillion, three billion, one hundred thirty-six million, three hundred thirty-one thousand, two hundred thirteen".