1142031400321 has 16 divisors (see below), whose sum is σ = 1347478786048. Its totient is φ = 947168283600.

The previous prime is 1142031400313. The next prime is 1142031400369. The reversal of 1142031400321 is 1230041302411.

It is not a de Polignac number, because 1142031400321 - 2³ = 1142031400313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142031400292 and 1142031400301.

It is not an unprimeable number, because it can be changed into a prime (1142031404321) 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 15 ways as a sum of consecutive naturals, for example, 1111306 + ... + 1875916.

It is an arithmetic number, because the mean of its divisors is an integer number (84217424128).

Almost surely, 2^{1142031400321} is an apocalyptic number.

It is an amenable number.

1142031400321 is a deficient number, since it is larger than the sum of its proper divisors (205447385727).

1142031400321 is an equidigital number, since it uses as much as digits as its factorization.

1142031400321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771532.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1142031400321 its reverse (1230041302411), we get a palindrome (2372072702732).

The spelling of 1142031400321 in words is "one trillion, one hundred forty-two billion, thirty-one million, four hundred thousand, three hundred twenty-one".