2031212144 has 20 divisors (see below), whose sum is σ = 4238202696. Its totient is φ = 937482432.

The previous prime is 2031212129. The next prime is 2031212257. The reversal of 2031212144 is 4412121302.

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, 4882514 + ... + 4882929.

Almost surely, 2^2031212144 is an apocalyptic number.

It is an amenable number.

2031212144 is an abundant number, since it is smaller than the sum of its proper divisors (2206990552).

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

2031212144 is a wasteful number, since it uses less digits than its factorization.

2031212144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9765464 (or 9765458 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2031212144 is about 45068.9709667305. The cubic root of 2031212144 is about 1266.4413872059.

Adding to 2031212144 its reverse (4412121302), we get a palindrome (6443333446).

The spelling of 2031212144 in words is "two billion, thirty-one million, two hundred twelve thousand, one hundred forty-four".