21132024031 has 8 divisors (see below), whose sum is σ = 21196989440. Its totient is φ = 21067135992.

The previous prime is 21132023951. The next prime is 21132024073. The reversal of 21132024031 is 13042023112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21132024031 - 2²⁷ = 20997806303 is a prime.

It is a super-2 number, since 2×21132024031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132024731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553546 + ... + 590488.

It is an arithmetic number, because the mean of its divisors is an integer number (2649623680).

Almost surely, 2^21132024031 is an apocalyptic number.

21132024031 is a deficient number, since it is larger than the sum of its proper divisors (64965409).

21132024031 is a wasteful number, since it uses less digits than its factorization.

21132024031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38685.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21132024031 its reverse (13042023112), we get a palindrome (34174047143).

The spelling of 21132024031 in words is "twenty-one billion, one hundred thirty-two million, twenty-four thousand, thirty-one".