1101313331123 has 2 divisors, whose sum is σ = 1101313331124. Its totient is φ = 1101313331122.

The previous prime is 1101313331113. The next prime is 1101313331147. The reversal of 1101313331123 is 3211333131011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101313331123 is a prime.

It is a super-2 number, since 2×1101313331123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1101313331113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550656665561 + 550656665562.

It is an arithmetic number, because the mean of its divisors is an integer number (550656665562).

Almost surely, 2^{1101313331123} is an apocalyptic number.

1101313331123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101313331123 is an equidigital number, since it uses as much as digits as its factorization.

1101313331123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1101313331123 its reverse (3211333131011), we get a palindrome (4312646462134).

The spelling of 1101313331123 in words is "one trillion, one hundred one billion, three hundred thirteen million, three hundred thirty-one thousand, one hundred twenty-three".