1000311311123 has 32 divisors (see below), whose sum is σ = 1056141668160. Its totient is φ = 946081382400.

The previous prime is 1000311311107. The next prime is 1000311311149. The reversal of 1000311311123 is 3211131130001.

It is a cyclic number.

It is not a de Polignac number, because 1000311311123 - 2⁴ = 1000311311107 is a prime.

It is a super-2 number, since 2×1000311311123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000311311183) 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, 275035661 + ... + 275039297.

It is an arithmetic number, because the mean of its divisors is an integer number (33004427130).

Almost surely, 2^{1000311311123} is an apocalyptic number.

1000311311123 is a deficient number, since it is larger than the sum of its proper divisors (55830357037).

1000311311123 is a wasteful number, since it uses less digits than its factorization.

1000311311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1000311311123 its reverse (3211131130001), we get a palindrome (4211442441124).

The spelling of 1000311311123 in words is "one trillion, three hundred eleven million, three hundred eleven thousand, one hundred twenty-three".