21310223141 has 8 divisors (see below), whose sum is σ = 21837924864. Its totient is φ = 20785617040.

The previous prime is 21310223131. The next prime is 21310223153. The reversal of 21310223141 is 14132201312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21310223141 is a prime.

It is a super-2 number, since 2×21310223141² (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 (21310223131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759965 + ... + 787506.

It is an arithmetic number, because the mean of its divisors is an integer number (2729740608).

Almost surely, 2^21310223141 is an apocalyptic number.

It is an amenable number.

21310223141 is a deficient number, since it is larger than the sum of its proper divisors (527701723).

21310223141 is a wasteful number, since it uses less digits than its factorization.

21310223141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547811.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21310223141 its reverse (14132201312), we get a palindrome (35442424453).

The spelling of 21310223141 in words is "twenty-one billion, three hundred ten million, two hundred twenty-three thousand, one hundred forty-one".