1101232031131 has 2 divisors, whose sum is σ = 1101232031132. Its totient is φ = 1101232031130.

The previous prime is 1101232031129. The next prime is 1101232031189. The reversal of 1101232031131 is 1311302321011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101232031131 - 2¹ = 1101232031129 is a prime.

It is a super-2 number, since 2×1101232031131² (a number of 25 digits) contains 22 as substring.

Together with 1101232031129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1101232031099 and 1101232031108.

It is not a weakly prime, because it can be changed into another prime (1101232031111) 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 as a sum of consecutive naturals, namely, 550616015565 + 550616015566.

It is an arithmetic number, because the mean of its divisors is an integer number (550616015566).

Almost surely, 2^{1101232031131} is an apocalyptic number.

1101232031131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101232031131 is an equidigital number, since it uses as much as digits as its factorization.

1101232031131 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1101232031131 its reverse (1311302321011), we get a palindrome (2412534352142).

The spelling of 1101232031131 in words is "one trillion, one hundred one billion, two hundred thirty-two million, thirty-one thousand, one hundred thirty-one".