1031011212113 has 8 divisors (see below), whose sum is σ = 1048720232160. Its totient is φ = 1013310000640.

The previous prime is 1031011212083. The next prime is 1031011212131. The reversal of 1031011212113 is 3112121101301.

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 1031011212113 - 2²⁰ = 1031010163537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031011212091 and 1031011212100.

It is not an unprimeable number, because it can be changed into a prime (1031011212163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685495 + ... + 2214252.

It is an arithmetic number, because the mean of its divisors is an integer number (131090029020).

Almost surely, 2^{1031011212113} is an apocalyptic number.

It is an amenable number.

1031011212113 is a deficient number, since it is larger than the sum of its proper divisors (17709020047).

1031011212113 is an equidigital number, since it uses as much as digits as its factorization.

1031011212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904287.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1031011212113 its reverse (3112121101301), we get a palindrome (4143132313414).

The spelling of 1031011212113 in words is "one trillion, thirty-one billion, eleven million, two hundred twelve thousand, one hundred thirteen".