3201121144 has 16 divisors (see below), whose sum is σ = 6463802520. Its totient is φ = 1477440480.

The previous prime is 3201121129. The next prime is 3201121171. The reversal of 3201121144 is 4411211023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15389902 + ... + 15390109.

Almost surely, 2^3201121144 is an apocalyptic number.

It is an amenable number.

3201121144 is an abundant number, since it is smaller than the sum of its proper divisors (3262681376).

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

3201121144 is a wasteful number, since it uses less digits than its factorization.

3201121144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30780030 (or 30780026 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 3201121144 is about 56578.4512336632. The cubic root of 3201121144 is about 1473.7846764370.

Adding to 3201121144 its reverse (4411211023), we get a palindrome (7612332167).

The spelling of 3201121144 in words is "three billion, two hundred one million, one hundred twenty-one thousand, one hundred forty-four".