1043142033321 has 16 divisors (see below), whose sum is σ = 1574554014720. Its totient is φ = 682306737840.

The previous prime is 1043142033277. The next prime is 1043142033359. The reversal of 1043142033321 is 1233302413401.

It is a happy number.

1043142033321 is a `hidden beast` number, since 1 + 0 + 4 + 314 + 20 + 3 + 3 + 321 = 666.

It is not a de Polignac number, because 1043142033321 - 2⁶ = 1043142033257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1043142033221) 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, 364478665 + ... + 364481526.

It is an arithmetic number, because the mean of its divisors is an integer number (98409625920).

Almost surely, 2^{1043142033321} is an apocalyptic number.

It is an amenable number.

1043142033321 is a deficient number, since it is larger than the sum of its proper divisors (531411981399).

1043142033321 is an equidigital number, since it uses as much as digits as its factorization.

1043142033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728960253 (or 728960247 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1043142033321 its reverse (1233302413401), we get a palindrome (2276444446722).

The spelling of 1043142033321 in words is "one trillion, forty-three billion, one hundred forty-two million, thirty-three thousand, three hundred twenty-one".