21131132333030 has 32 divisors (see below), whose sum is σ = 38311072480800. Its totient is φ = 8391338629632.

The previous prime is 21131132333011. The next prime is 21131132333063. The reversal of 21131132333030 is 3033323113112.

It is a congruent number.

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, 40060484 + ... + 40584536.

It is an arithmetic number, because the mean of its divisors is an integer number (1197221015025).

Almost surely, 2^{21131132333030} is an apocalyptic number.

21131132333030 is a deficient number, since it is larger than the sum of its proper divisors (17179940147770).

21131132333030 is a wasteful number, since it uses less digits than its factorization.

21131132333030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553208.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 21131132333030 its reverse (3033323113112), we get a palindrome (24164455446142).

The spelling of 21131132333030 in words is "twenty-one trillion, one hundred thirty-one billion, one hundred thirty-two million, three hundred thirty-three thousand, thirty".