213554251131 has 16 divisors (see below), whose sum is σ = 306965858304. Its totient is φ = 131279205024.

The previous prime is 213554251109. The next prime is 213554251133. The reversal of 213554251131 is 131152455312.

It is not a de Polignac number, because 213554251131 - 2⁶ = 213554251067 is a prime.

It is a super-2 number, since 2×213554251131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213554251092 and 213554251101.

It is not an unprimeable number, because it can be changed into a prime (213554251133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2854171 + ... + 2928036.

It is an arithmetic number, because the mean of its divisors is an integer number (19185366144).

Almost surely, 2^213554251131 is an apocalyptic number.

213554251131 is a deficient number, since it is larger than the sum of its proper divisors (93411607173).

213554251131 is a wasteful number, since it uses less digits than its factorization.

213554251131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783170.

The product of its digits is 18000, while the sum is 33.

The spelling of 213554251131 in words is "two hundred thirteen billion, five hundred fifty-four million, two hundred fifty-one thousand, one hundred thirty-one".