1231102303011 has 32 divisors (see below), whose sum is σ = 2119734950400. Its totient is φ = 691563515040.

The previous prime is 1231102302977. The next prime is 1231102303019. The reversal of 1231102303011 is 1103032011321.

1231102303011 is a `hidden beast` number, since 1 + 23 + 110 + 230 + 301 + 1 = 666.

It is not a de Polignac number, because 1231102303011 - 2¹¹ = 1231102300963 is a prime.

It is a super-2 number, since 2×1231102303011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231102303019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55190280 + ... + 55212581.

It is an arithmetic number, because the mean of its divisors is an integer number (66241717200).

Almost surely, 2^{1231102303011} is an apocalyptic number.

1231102303011 is a deficient number, since it is larger than the sum of its proper divisors (888632647389).

1231102303011 is a wasteful number, since it uses less digits than its factorization.

1231102303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110402936 (or 110402930 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1231102303011 its reverse (1103032011321), we get a palindrome (2334134314332).

The spelling of 1231102303011 in words is "one trillion, two hundred thirty-one billion, one hundred two million, three hundred three thousand, eleven".