2231130220320 has 96 divisors (see below), whose sum is σ = 7107027298560. Its totient is φ = 588283013120.

The previous prime is 2231130220313. The next prime is 2231130220343. The reversal of 2231130220320 is 230220311322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×2231130220320³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26070696 + ... + 26156135.

It is an arithmetic number, because the mean of its divisors is an integer number (74031534360).

Almost surely, 2^{2231130220320} is an apocalyptic number.

2231130220320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231130220320 is an abundant number, since it is smaller than the sum of its proper divisors (4875897078240).

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

2231130220320 is a wasteful number, since it uses less digits than its factorization.

2231130220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52226938 (or 52226930 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2231130220320 its reverse (230220311322), we get a palindrome (2461350531642).

The spelling of 2231130220320 in words is "two trillion, two hundred thirty-one billion, one hundred thirty million, two hundred twenty thousand, three hundred twenty".