213000103231131 has 16 divisors (see below), whose sum is σ = 290606847453824. Its totient is φ = 138696760629504.

The previous prime is 213000103231127. The next prime is 213000103231177. The reversal of 213000103231131 is 131132301000312.

It is a happy number.

It is not a de Polignac number, because 213000103231131 - 2² = 213000103231127 is a prime.

It is a super-2 number, since 2×213000103231131² (a number of 29 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 = 213000103231098 and 213000103231107.

It is not an unprimeable number, because it can be changed into a prime (213000103231831) 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, 12696900 + ... + 24232446.

It is an arithmetic number, because the mean of its divisors is an integer number (18162927965864).

Almost surely, 2^{213000103231131} is an apocalyptic number.

213000103231131 is a deficient number, since it is larger than the sum of its proper divisors (77606744222693).

213000103231131 is a wasteful number, since it uses less digits than its factorization.

213000103231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11678730.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213000103231131 its reverse (131132301000312), we get a palindrome (344132404231443).

The spelling of 213000103231131 in words is "two hundred thirteen trillion, one hundred three million, two hundred thirty-one thousand, one hundred thirty-one".