1331020031101 has 8 divisors (see below), whose sum is σ = 1352016554400. Its totient is φ = 1310181972528.

The previous prime is 1331020031083. The next prime is 1331020031113. The reversal of 1331020031101 is 1011300201331.

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 1331020031101 - 2⁵ = 1331020031069 is a prime.

It is a super-2 number, since 2×1331020031101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331020031141) 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, 39599251 + ... + 39632848.

It is an arithmetic number, because the mean of its divisors is an integer number (169002069300).

Almost surely, 2^{1331020031101} is an apocalyptic number.

It is an amenable number.

1331020031101 is a deficient number, since it is larger than the sum of its proper divisors (20996523299).

1331020031101 is a wasteful number, since it uses less digits than its factorization.

1331020031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79232363.

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

Adding to 1331020031101 its reverse (1011300201331), we get a palindrome (2342320232432).

The spelling of 1331020031101 in words is "one trillion, three hundred thirty-one billion, twenty million, thirty-one thousand, one hundred one".