21477313770131 has 8 divisors (see below), whose sum is σ = 22744211518800. Its totient is φ = 20210807838208.

The previous prime is 21477313770089. The next prime is 21477313770151. The reversal of 21477313770131 is 13107731377412.

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 21477313770131 - 2³⁸ = 21202435863187 is a prime.

It is a super-2 number, since 2×21477313770131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21477313770151) 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, 97841321 + ... + 98060586.

It is an arithmetic number, because the mean of its divisors is an integer number (2843026439850).

Almost surely, 2^{21477313770131} is an apocalyptic number.

21477313770131 is a deficient number, since it is larger than the sum of its proper divisors (1266897748669).

21477313770131 is a wasteful number, since it uses less digits than its factorization.

21477313770131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195908373.

The product of its (nonzero) digits is 518616, while the sum is 47.

The spelling of 21477313770131 in words is "twenty-one trillion, four hundred seventy-seven billion, three hundred thirteen million, seven hundred seventy thousand, one hundred thirty-one".