21476705350131 has 24 divisors (see below), whose sum is σ = 31330776849840. Its totient is φ = 14175264168000.

The previous prime is 21476705350123. The next prime is 21476705350189. The reversal of 21476705350131 is 13105350767412.

21476705350131 is a `hidden beast` number, since 2 + 1 + 4 + 7 + 67 + 0 + 53 + 501 + 31 = 666.

It is not a de Polignac number, because 21476705350131 - 2³ = 21476705350123 is a prime.

It is a super-2 number, since 2×21476705350131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21476705350231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16141140 + ... + 17420958.

It is an arithmetic number, because the mean of its divisors is an integer number (1305449035410).

Almost surely, 2^{21476705350131} is an apocalyptic number.

21476705350131 is a deficient number, since it is larger than the sum of its proper divisors (9854071499709).

21476705350131 is a wasteful number, since it uses less digits than its factorization.

21476705350131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298387 (or 1298384 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 21476705350131 in words is "twenty-one trillion, four hundred seventy-six billion, seven hundred five million, three hundred fifty thousand, one hundred thirty-one".