1023343461331 has 4 divisors (see below), whose sum is σ = 1023345510912. Its totient is φ = 1023341411752.

The previous prime is 1023343461323. The next prime is 1023343461341. The reversal of 1023343461331 is 1331643433201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023343461331 - 2³ = 1023343461323 is a prime.

It is a super-2 number, since 2×1023343461331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023343461341) 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 3 ways as a sum of consecutive naturals, for example, 266601 + ... + 1455253.

It is an arithmetic number, because the mean of its divisors is an integer number (255836377728).

Almost surely, 2^{1023343461331} is an apocalyptic number.

1023343461331 is a deficient number, since it is larger than the sum of its proper divisors (2049581).

1023343461331 is an equidigital number, since it uses as much as digits as its factorization.

1023343461331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049580.

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 1023343461331 its reverse (1331643433201), we get a palindrome (2354986894532).

The spelling of 1023343461331 in words is "one trillion, twenty-three billion, three hundred forty-three million, four hundred sixty-one thousand, three hundred thirty-one".