1012321302311 has 32 divisors (see below), whose sum is σ = 1192626118656. Its totient is φ = 850395744000.

The previous prime is 1012321302271. The next prime is 1012321302319. The reversal of 1012321302311 is 1132031232101.

It is a happy number.

It is not a de Polignac number, because 1012321302311 - 2⁶ = 1012321302247 is a prime.

It is a super-2 number, since 2×1012321302311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012321302319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113180 + ... + 1427393.

It is an arithmetic number, because the mean of its divisors is an integer number (37269566208).

Almost surely, 2^{1012321302311} is an apocalyptic number.

1012321302311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012321302311 is a deficient number, since it is larger than the sum of its proper divisors (180304816345).

1012321302311 is a wasteful number, since it uses less digits than its factorization.

1012321302311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540703.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1012321302311 its reverse (1132031232101), we get a palindrome (2144352534412).

The spelling of 1012321302311 in words is "one trillion, twelve billion, three hundred twenty-one million, three hundred two thousand, three hundred eleven".