1000131021323 has 16 divisors (see below), whose sum is σ = 1186061538816. Its totient is φ = 825525751680.

The previous prime is 1000131021311. The next prime is 1000131021343. The reversal of 1000131021323 is 3231201310001.

It is not a de Polignac number, because 1000131021323 - 2⁶ = 1000131021259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000131021343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23377886 + ... + 23420627.

It is an arithmetic number, because the mean of its divisors is an integer number (74128846176).

Almost surely, 2^{1000131021323} is an apocalyptic number.

1000131021323 is a deficient number, since it is larger than the sum of its proper divisors (185930517493).

1000131021323 is an equidigital number, since it uses as much as digits as its factorization.

1000131021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46798634.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1000131021323 its reverse (3231201310001), we get a palindrome (4231332331324).

The spelling of 1000131021323 in words is "one trillion, one hundred thirty-one million, twenty-one thousand, three hundred twenty-three".