30231223121144 has 32 divisors (see below), whose sum is σ = 60792678090000. Its totient is φ = 14049863373312.

The previous prime is 30231223121101. The next prime is 30231223121147. The reversal of 30231223121144 is 44112132213203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231223121147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876309169 + ... + 1876325280.

Almost surely, 2^{30231223121144} is an apocalyptic number.

It is an amenable number.

30231223121144 is an abundant number, since it is smaller than the sum of its proper divisors (30561454968856).

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

30231223121144 is a wasteful number, since it uses less digits than its factorization.

30231223121144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752634527 (or 3752634523 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 30231223121144 its reverse (44112132213203), we get a palindrome (74343355334347).

The spelling of 30231223121144 in words is "thirty trillion, two hundred thirty-one billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred forty-four".