2311131002131 has 12 divisors (see below), whose sum is σ = 2690667668808. Its totient is φ = 1979341631232.

The previous prime is 2311131002057. The next prime is 2311131002137. The reversal of 2311131002131 is 1312001311132.

It is not a de Polignac number, because 2311131002131 - 2¹³ = 2311130993939 is a prime.

It is a super-2 number, since 2×2311131002131² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2311131002099 and 2311131002108.

It is not an unprimeable number, because it can be changed into a prime (2311131002137) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 19318321 + ... + 19437586.

It is an arithmetic number, because the mean of its divisors is an integer number (224222305734).

Almost surely, 2^{2311131002131} is an apocalyptic number.

2311131002131 is a deficient number, since it is larger than the sum of its proper divisors (379536666677).

2311131002131 is a wasteful number, since it uses less digits than its factorization.

2311131002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38757138 (or 38757131 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2311131002131 its reverse (1312001311132), we get a palindrome (3623132313263).

The spelling of 2311131002131 in words is "two trillion, three hundred eleven billion, one hundred thirty-one million, two thousand, one hundred thirty-one".