2331143521412 has 6 divisors (see below), whose sum is σ = 4079501162478. Its totient is φ = 1165571760704.

The previous prime is 2331143521393. The next prime is 2331143521561. The reversal of 2331143521412 is 2141253411332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1715932324096 + 615211197316 = 1309936^2 + 784354^2 .

It is a super-2 number, since 2×2331143521412² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291392940173 + ... + 291392940180.

It is an arithmetic number, because the mean of its divisors is an integer number (679916860413).

Almost surely, 2^{2331143521412} is an apocalyptic number.

It is an amenable number.

2331143521412 is a deficient number, since it is larger than the sum of its proper divisors (1748357641066).

2331143521412 is a wasteful number, since it uses less digits than its factorization.

2331143521412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582785880357 (or 582785880355 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

Adding to 2331143521412 its reverse (2141253411332), we get a palindrome (4472396932744).

The spelling of 2331143521412 in words is "two trillion, three hundred thirty-one billion, one hundred forty-three million, five hundred twenty-one thousand, four hundred twelve".