1323001042131 has 16 divisors (see below), whose sum is σ = 1788740029440. Its totient is φ = 869639135040.

The previous prime is 1323001042117. The next prime is 1323001042133. The reversal of 1323001042131 is 1312401003231.

It is not a de Polignac number, because 1323001042131 - 2⁹ = 1323001041619 is a prime.

It is a super-2 number, since 2×1323001042131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323001042098 and 1323001042107.

It is not an unprimeable number, because it can be changed into a prime (1323001042133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285375 + ... + 1651496.

It is an arithmetic number, because the mean of its divisors is an integer number (111796251840).

Almost surely, 2^{1323001042131} is an apocalyptic number.

1323001042131 is a deficient number, since it is larger than the sum of its proper divisors (465738987309).

1323001042131 is a wasteful number, since it uses less digits than its factorization.

1323001042131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940066.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1323001042131 its reverse (1312401003231), we get a palindrome (2635402045362).

The spelling of 1323001042131 in words is "one trillion, three hundred twenty-three billion, one million, forty-two thousand, one hundred thirty-one".