2231132321330 has 32 divisors (see below), whose sum is σ = 4382773394688. Its totient is φ = 811016985600.

The previous prime is 2231132321317. The next prime is 2231132321449. The reversal of 2231132321330 is 331232311322.

It is a super-3 number, since 3×2231132321330³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231132321330.

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, 3503087 + ... + 4090706.

It is an arithmetic number, because the mean of its divisors is an integer number (136961668584).

Almost surely, 2^{2231132321330} is an apocalyptic number.

2231132321330 is a deficient number, since it is larger than the sum of its proper divisors (2151641073358).

2231132321330 is a wasteful number, since it uses less digits than its factorization.

2231132321330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7596482.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2231132321330 its reverse (331232311322), we get a palindrome (2562364632652).

The spelling of 2231132321330 in words is "two trillion, two hundred thirty-one billion, one hundred thirty-two million, three hundred twenty-one thousand, three hundred thirty".