11311132123131 has 8 divisors (see below), whose sum is σ = 15093584370000. Its totient is φ = 7534717312512.

The previous prime is 11311132123127. The next prime is 11311132123133. The reversal of 11311132123131 is 13132123111311.

11311132123131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11311132123131 - 2² = 11311132123127 is a prime.

It is a super-2 number, since 2×11311132123131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11311132123133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509354690 + ... + 1509362183.

It is an arithmetic number, because the mean of its divisors is an integer number (1886698046250).

Almost surely, 2^{11311132123131} is an apocalyptic number.

11311132123131 is a deficient number, since it is larger than the sum of its proper divisors (3782452246869).

11311132123131 is a wasteful number, since it uses less digits than its factorization.

11311132123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018718125.

The product of its digits is 324, while the sum is 24.

Adding to 11311132123131 its reverse (13132123111311), we get a palindrome (24443255234442).

The spelling of 11311132123131 in words is "eleven trillion, three hundred eleven billion, one hundred thirty-two million, one hundred twenty-three thousand, one hundred thirty-one".