1013121300031 has 4 divisors (see below), whose sum is σ = 1032236796312. Its totient is φ = 994005803752.

The previous prime is 1013121299951. The next prime is 1013121300109. The reversal of 1013121300031 is 1300031213101.

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 1013121300031 - 2¹³ = 1013121291839 is a prime.

It is a super-2 number, since 2×1013121300031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013121299978 and 1013121300014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013121300131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9557748061 + ... + 9557748166.

It is an arithmetic number, because the mean of its divisors is an integer number (258059199078).

Almost surely, 2^{1013121300031} is an apocalyptic number.

1013121300031 is a deficient number, since it is larger than the sum of its proper divisors (19115496281).

1013121300031 is an equidigital number, since it uses as much as digits as its factorization.

1013121300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19115496280.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1013121300031 its reverse (1300031213101), we get a palindrome (2313152513132).

The spelling of 1013121300031 in words is "one trillion, thirteen billion, one hundred twenty-one million, three hundred thousand, thirty-one".