1031012011313 has 4 divisors (see below), whose sum is σ = 1031022714228. Its totient is φ = 1031001308400.

The previous prime is 1031012011297. The next prime is 1031012011321. The reversal of 1031012011313 is 3131102101301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 674021296144 + 356990715169 = 820988^2 + 597487^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031012011313 - 2⁴ = 1031012011297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031012011291 and 1031012011300.

It is not an unprimeable number, because it can be changed into a prime (1031012011333) 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, 5205638 + ... + 5400063.

It is an arithmetic number, because the mean of its divisors is an integer number (257755678557).

Almost surely, 2^{1031012011313} is an apocalyptic number.

It is an amenable number.

1031012011313 is a deficient number, since it is larger than the sum of its proper divisors (10702915).

1031012011313 is an equidigital number, since it uses as much as digits as its factorization.

1031012011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10702914.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1031012011313 its reverse (3131102101301), we get a palindrome (4162114112614).

The spelling of 1031012011313 in words is "one trillion, thirty-one billion, twelve million, eleven thousand, three hundred thirteen".