1301012031331 has 4 divisors (see below), whose sum is σ = 1345874515200. Its totient is φ = 1256149547464.

The previous prime is 1301012031311. The next prime is 1301012031353. The reversal of 1301012031331 is 1331302101031.

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 1301012031331 - 2¹⁵ = 1301011998563 is a prime.

It is a super-2 number, since 2×1301012031331² (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 = 1301012031299 and 1301012031308.

It is not an unprimeable number, because it can be changed into a prime (1301012031311) 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, 22431241891 + ... + 22431241948.

It is an arithmetic number, because the mean of its divisors is an integer number (336468628800).

Almost surely, 2^{1301012031331} is an apocalyptic number.

1301012031331 is a deficient number, since it is larger than the sum of its proper divisors (44862483869).

1301012031331 is an equidigital number, since it uses as much as digits as its factorization.

1301012031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44862483868.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1301012031331 its reverse (1331302101031), we get a palindrome (2632314132362).

The spelling of 1301012031331 in words is "one trillion, three hundred one billion, twelve million, thirty-one thousand, three hundred thirty-one".