21310014131 has 8 divisors (see below), whose sum is σ = 25786908000. Its totient is φ = 17191271808.

The previous prime is 21310014127. The next prime is 21310014137. The reversal of 21310014131 is 13141001312.

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 21310014131 - 2² = 21310014127 is a prime.

It is a super-2 number, since 2×21310014131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (21310014137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89537756 + ... + 89537993.

It is an arithmetic number, because the mean of its divisors is an integer number (3223363500).

Almost surely, 2^21310014131 is an apocalyptic number.

21310014131 is a deficient number, since it is larger than the sum of its proper divisors (4476893869).

21310014131 is a wasteful number, since it uses less digits than its factorization.

21310014131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179075773.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21310014131 its reverse (13141001312), we get a palindrome (34451015443).

The spelling of 21310014131 in words is "twenty-one billion, three hundred ten million, fourteen thousand, one hundred thirty-one".