2011332231131 has 2 divisors, whose sum is σ = 2011332231132. Its totient is φ = 2011332231130.

The previous prime is 2011332231091. The next prime is 2011332231137. The reversal of 2011332231131 is 1311322331102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011332231131 is a prime.

It is a super-2 number, since 2×2011332231131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011332231097 and 2011332231106.

It is not a weakly prime, because it can be changed into another prime (2011332231137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005666115565 + 1005666115566.

It is an arithmetic number, because the mean of its divisors is an integer number (1005666115566).

Almost surely, 2^{2011332231131} is an apocalyptic number.

2011332231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011332231131 is an equidigital number, since it uses as much as digits as its factorization.

2011332231131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2011332231131 its reverse (1311322331102), we get a palindrome (3322654562233).

The spelling of 2011332231131 in words is "two trillion, eleven billion, three hundred thirty-two million, two hundred thirty-one thousand, one hundred thirty-one".