1142344131000 has 128 divisors (see below), whose sum is σ = 3579816764160. Its totient is φ = 303282960000.

The previous prime is 1142344130969. The next prime is 1142344131007. The reversal of 1142344131000 is 1314432411.

It is a super-2 number, since 2×1142344131000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142344131007) 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, 157726 + ... + 1519725.

It is an arithmetic number, because the mean of its divisors is an integer number (27967318470).

Almost surely, 2^{1142344131000} is an apocalyptic number.

1142344131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142344131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1789908382080).

1142344131000 is an abundant number, since it is smaller than the sum of its proper divisors (2437472633160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142344131000 is a wasteful number, since it uses less digits than its factorization.

1142344131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677702 (or 1677688 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1142344131000 its reverse (1314432411), we get a palindrome (1143658563411).

The spelling of 1142344131000 in words is "one trillion, one hundred forty-two billion, three hundred forty-four million, one hundred thirty-one thousand".