11203420331313 has 24 divisors (see below), whose sum is σ = 18507023174016. Its totient is φ = 6397631697600.

The previous prime is 11203420331303. The next prime is 11203420331401. The reversal of 11203420331313 is 31313302430211.

11203420331313 is a `hidden beast` number, since 1 + 1 + 2 + 0 + 342 + 0 + 3 + 3 + 1 + 313 = 666.

It is not a de Polignac number, because 11203420331313 - 2⁸ = 11203420331057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11203420331303) 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, 59944533 + ... + 60131138.

It is an arithmetic number, because the mean of its divisors is an integer number (771125965584).

Almost surely, 2^{11203420331313} is an apocalyptic number.

It is an amenable number.

11203420331313 is a deficient number, since it is larger than the sum of its proper divisors (7303602842703).

11203420331313 is a wasteful number, since it uses less digits than its factorization.

11203420331313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120077165 (or 120077162 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 11203420331313 its reverse (31313302430211), we get a palindrome (42516722761524).

The spelling of 11203420331313 in words is "eleven trillion, two hundred three billion, four hundred twenty million, three hundred thirty-one thousand, three hundred thirteen".