21333010302131 has 4 divisors (see below), whose sum is σ = 23272374875064. Its totient is φ = 19393645729200.

The previous prime is 21333010302089. The next prime is 21333010302193. The reversal of 21333010302131 is 13120301033312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21333010302131 - 2⁶ = 21333010302067 is a prime.

It is a super-2 number, since 2×21333010302131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21333010302097 and 21333010302106.

It is not an unprimeable number, because it can be changed into a prime (21333310302131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969682286450 + ... + 969682286471.

It is an arithmetic number, because the mean of its divisors is an integer number (5818093718766).

Almost surely, 2^{21333010302131} is an apocalyptic number.

21333010302131 is a deficient number, since it is larger than the sum of its proper divisors (1939364572933).

21333010302131 is a wasteful number, since it uses less digits than its factorization.

21333010302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939364572932.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 21333010302131 its reverse (13120301033312), we get a palindrome (34453311335443).

The spelling of 21333010302131 in words is "twenty-one trillion, three hundred thirty-three billion, ten million, three hundred two thousand, one hundred thirty-one".