1013021000031 has 8 divisors (see below), whose sum is σ = 1350730733184. Its totient is φ = 675329300120.

The previous prime is 1013021000027. The next prime is 1013021000051. The reversal of 1013021000031 is 1300001203101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013021000031 - 2² = 1013021000027 is a prime.

It is a super-2 number, since 2×1013021000031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1013020999980 and 1013021000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013021000051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4376685 + ... + 4602326.

It is an arithmetic number, because the mean of its divisors is an integer number (168841341648).

Almost surely, 2^{1013021000031} is an apocalyptic number.

1013021000031 is a deficient number, since it is larger than the sum of its proper divisors (337709733153).

1013021000031 is an equidigital number, since it uses as much as digits as its factorization.

1013021000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9016621.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1013021000031 its reverse (1300001203101), we get a palindrome (2313022203132).

The spelling of 1013021000031 in words is "one trillion, thirteen billion, twenty-one million, thirty-one", and thus it is an aban number and an uban number.