11003031133131 has 4 divisors (see below), whose sum is σ = 14670708177512. Its totient is φ = 7335354088752.

The previous prime is 11003031133121. The next prime is 11003031133153. The reversal of 11003031133131 is 13133113030011.

11003031133131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11003031133131 - 2¹⁵ = 11003031100363 is a prime.

It is a super-2 number, since 2×11003031133131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11003031133098 and 11003031133107.

It is not an unprimeable number, because it can be changed into a prime (11003031133121) 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, 1833838522186 + ... + 1833838522191.

It is an arithmetic number, because the mean of its divisors is an integer number (3667677044378).

Almost surely, 2^{11003031133131} is an apocalyptic number.

11003031133131 is a deficient number, since it is larger than the sum of its proper divisors (3667677044381).

11003031133131 is an equidigital number, since it uses as much as digits as its factorization.

11003031133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667677044380.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 11003031133131 its reverse (13133113030011), we get a palindrome (24136144163142).

The spelling of 11003031133131 in words is "eleven trillion, three billion, thirty-one million, one hundred thirty-three thousand, one hundred thirty-one".