33131433014421 has 32 divisors (see below), whose sum is σ = 52115209420800. Its totient is φ = 18321306243840.

The previous prime is 33131433014411. The next prime is 33131433014551. The reversal of 33131433014421 is 12441033413133.

It is not a de Polignac number, because 33131433014421 - 2⁵ = 33131433014389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33131433014411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62995140 + ... + 63518898.

It is an arithmetic number, because the mean of its divisors is an integer number (1628600294400).

Almost surely, 2^{33131433014421} is an apocalyptic number.

33131433014421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33131433014421 is a deficient number, since it is larger than the sum of its proper divisors (18983776406379).

33131433014421 is a wasteful number, since it uses less digits than its factorization.

33131433014421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620969.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 33131433014421 its reverse (12441033413133), we get a palindrome (45572466427554).

The spelling of 33131433014421 in words is "thirty-three trillion, one hundred thirty-one billion, four hundred thirty-three million, fourteen thousand, four hundred twenty-one".