11131031302 has 4 divisors (see below), whose sum is σ = 16696546956. Its totient is φ = 5565515650.

The previous prime is 11131031293. The next prime is 11131031321. The reversal of 11131031302 is 20313013111.

11131031302 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, and also an emirpimes, since its reverse is a distinct semiprime: 20313013111 = 5737 ⋅3540703.

It is a super-2 number, since 2×11131031302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782757824 + ... + 2782757827.

It is an arithmetic number, because the mean of its divisors is an integer number (4174136739).

Almost surely, 2^11131031302 is an apocalyptic number.

11131031302 is a deficient number, since it is larger than the sum of its proper divisors (5565515654).

11131031302 is an equidigital number, since it uses as much as digits as its factorization.

11131031302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565515653.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11131031302 its reverse (20313013111), we get a palindrome (31444044413).

The spelling of 11131031302 in words is "eleven billion, one hundred thirty-one million, thirty-one thousand, three hundred two".