1031330113111 has 32 divisors (see below), whose sum is σ = 1114154611200. Its totient is φ = 951708764160.

The previous prime is 1031330113103. The next prime is 1031330113133. The reversal of 1031330113111 is 1113110331301.

It is a cyclic number.

It is not a de Polignac number, because 1031330113111 - 2³ = 1031330113103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031330113141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200139111 + ... + 200144263.

It is an arithmetic number, because the mean of its divisors is an integer number (34817331600).

Almost surely, 2^{1031330113111} is an apocalyptic number.

1031330113111 is a deficient number, since it is larger than the sum of its proper divisors (82824498089).

1031330113111 is a wasteful number, since it uses less digits than its factorization.

1031330113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 1031330113111 its reverse (1113110331301), we get a palindrome (2144440444412).

The spelling of 1031330113111 in words is "one trillion, thirty-one billion, three hundred thirty million, one hundred thirteen thousand, one hundred eleven".