1001302031123 has 4 divisors (see below), whose sum is σ = 1001323130808. Its totient is φ = 1001280931440.

The previous prime is 1001302031113. The next prime is 1001302031159. The reversal of 1001302031123 is 3211302031001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001302031123 - 2¹² = 1001302027027 is a prime.

It is a super-2 number, since 2×1001302031123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001302031113) 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 3 ways as a sum of consecutive naturals, for example, 10478498 + ... + 10573623.

It is an arithmetic number, because the mean of its divisors is an integer number (250330782702).

Almost surely, 2^{1001302031123} is an apocalyptic number.

1001302031123 is a deficient number, since it is larger than the sum of its proper divisors (21099685).

1001302031123 is an equidigital number, since it uses as much as digits as its factorization.

1001302031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21099684.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1001302031123 its reverse (3211302031001), we get a palindrome (4212604062124).

The spelling of 1001302031123 in words is "one trillion, one billion, three hundred two million, thirty-one thousand, one hundred twenty-three".