1142144001331 has 32 divisors (see below), whose sum is σ = 1180034703360. Its totient is φ = 1105101398016.

The previous prime is 1142144001269. The next prime is 1142144001347. The reversal of 1142144001331 is 1331004412411.

It is a cyclic number.

It is not a de Polignac number, because 1142144001331 - 2⁹ = 1142144000819 is a prime.

It is a super-2 number, since 2×1142144001331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142144001296 and 1142144001305.

It is not an unprimeable number, because it can be changed into a prime (1142144002331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378317140 + ... + 378320158.

It is an arithmetic number, because the mean of its divisors is an integer number (36876084480).

Almost surely, 2^{1142144001331} is an apocalyptic number.

1142144001331 is a deficient number, since it is larger than the sum of its proper divisors (37890702029).

1142144001331 is a wasteful number, since it uses less digits than its factorization.

1142144001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1142144001331 its reverse (1331004412411), we get a palindrome (2473148413742).

The spelling of 1142144001331 in words is "one trillion, one hundred forty-two billion, one hundred forty-four million, one thousand, three hundred thirty-one".