1101312103131 has 8 divisors (see below), whose sum is σ = 1631573486160. Its totient is φ = 734208068736.

The previous prime is 1101312103121. The next prime is 1101312103141. The reversal of 1101312103131 is 1313012131011.

1101312103131 is a `hidden beast` number, since 1 + 10 + 131 + 210 + 313 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1101312103121) and next prime (1101312103141).

It is not a de Polignac number, because 1101312103131 - 2⁹ = 1101312102619 is a prime.

It is a super-2 number, since 2×1101312103131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101312103121) 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 7 ways as a sum of consecutive naturals, for example, 20394668550 + ... + 20394668603.

It is an arithmetic number, because the mean of its divisors is an integer number (203946685770).

Almost surely, 2^{1101312103131} is an apocalyptic number.

1101312103131 is a deficient number, since it is larger than the sum of its proper divisors (530261383029).

1101312103131 is an equidigital number, since it uses as much as digits as its factorization.

1101312103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40789337162 (or 40789337156 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1101312103131 its reverse (1313012131011), we get a palindrome (2414324234142).

The spelling of 1101312103131 in words is "one trillion, one hundred one billion, three hundred twelve million, one hundred three thousand, one hundred thirty-one".