1031331012113 has 8 divisors (see below), whose sum is σ = 1050196473216. Its totient is φ = 1012586097600.

The previous prime is 1031331012109. The next prime is 1031331012157. The reversal of 1031331012113 is 3112101331301.

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 1031331012113 - 2² = 1031331012109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031331012713) 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, 30119381 + ... + 30153602.

It is an arithmetic number, because the mean of its divisors is an integer number (131274559152).

Almost surely, 2^{1031331012113} is an apocalyptic number.

It is an amenable number.

1031331012113 is a deficient number, since it is larger than the sum of its proper divisors (18865461103).

1031331012113 is an equidigital number, since it uses as much as digits as its factorization.

1031331012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60273295.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1031331012113 its reverse (3112101331301), we get a palindrome (4143432343414).

The spelling of 1031331012113 in words is "one trillion, thirty-one billion, three hundred thirty-one million, twelve thousand, one hundred thirteen".