21014330423331 has 32 divisors (see below), whose sum is σ = 32557027299840. Its totient is φ = 11809130731776.

The previous prime is 21014330423263. The next prime is 21014330423347. The reversal of 21014330423331 is 13332403341012.

It is not a de Polignac number, because 21014330423331 - 2²⁵ = 21014296868899 is a prime.

It is a super-2 number, since 2×21014330423331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21014330423351) 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, 33824176 + ... + 34439853.

It is an arithmetic number, because the mean of its divisors is an integer number (1017407103120).

Almost surely, 2^{21014330423331} is an apocalyptic number.

21014330423331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

21014330423331 is a deficient number, since it is larger than the sum of its proper divisors (11542696876509).

21014330423331 is a wasteful number, since it uses less digits than its factorization.

21014330423331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68264283.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 21014330423331 its reverse (13332403341012), we get a palindrome (34346733764343).

The spelling of 21014330423331 in words is "twenty-one trillion, fourteen billion, three hundred thirty million, four hundred twenty-three thousand, three hundred thirty-one".