1031332312011 has 16 divisors (see below), whose sum is σ = 1382500116000. Its totient is φ = 683868419328.

The previous prime is 1031332312001. The next prime is 1031332312033. The reversal of 1031332312011 is 1102132331301.

It is a happy number.

It is not a de Polignac number, because 1031332312011 - 2³⁸ = 756454405067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031332312001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617736 + ... + 1563413.

It is an arithmetic number, because the mean of its divisors is an integer number (86406257250).

Almost surely, 2^{1031332312011} is an apocalyptic number.

1031332312011 is a deficient number, since it is larger than the sum of its proper divisors (351167803989).

1031332312011 is a wasteful number, since it uses less digits than its factorization.

1031332312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181998.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1031332312011 its reverse (1102132331301), we get a palindrome (2133464643312).

The spelling of 1031332312011 in words is "one trillion, thirty-one billion, three hundred thirty-two million, three hundred twelve thousand, eleven".