1031200011311 has 8 divisors (see below), whose sum is σ = 1056729784320. Its totient is φ = 1005895170592.

The previous prime is 1031200011293. The next prime is 1031200011313. The reversal of 1031200011311 is 1131100021301.

It is a happy number.

1031200011311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031200011311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031200011313) 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, 56223791 + ... + 56242128.

It is an arithmetic number, because the mean of its divisors is an integer number (132091223040).

Almost surely, 2^{1031200011311} is an apocalyptic number.

1031200011311 is a deficient number, since it is larger than the sum of its proper divisors (25529773009).

1031200011311 is a wasteful number, since it uses less digits than its factorization.

1031200011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112466145.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1031200011311 its reverse (1131100021301), we get a palindrome (2162300032612).

The spelling of 1031200011311 in words is "one trillion, thirty-one billion, two hundred million, eleven thousand, three hundred eleven".