2101431224 has 32 divisors (see below), whose sum is σ = 4070524800. Its totient is φ = 1016012160.

The previous prime is 2101431209. The next prime is 2101431229. The reversal of 2101431224 is 4221341012.

It is a junction number, because it is equal to n+sod(n) for n = 2101431196 and 2101431205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101431229) 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, 411374 + ... + 416450.

It is an arithmetic number, because the mean of its divisors is an integer number (127203900).

Almost surely, 2^2101431224 is an apocalyptic number.

It is an amenable number.

2101431224 is a deficient number, since it is larger than the sum of its proper divisors (1969093576).

2101431224 is a wasteful number, since it uses less digits than its factorization.

2101431224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783 (or 6779 counting only the distinct ones).

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

The square root of 2101431224 is about 45841.3702238491. The cubic root of 2101431224 is about 1280.8700188638.

Adding to 2101431224 its reverse (4221341012), we get a palindrome (6322772236).

The spelling of 2101431224 in words is "two billion, one hundred one million, four hundred thirty-one thousand, two hundred twenty-four".