213000492130 has 16 divisors (see below), whose sum is σ = 390634865784. Its totient is φ = 83592645760.

The previous prime is 213000492049. The next prime is 213000492137. The reversal of 213000492130 is 31294000312.

It can be written as a sum of positive squares in 4 ways, for example, as 198105998281 + 14894493849 = 445091^2 + 122043^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213000492095 and 213000492104.

It is not an unprimeable number, because it can be changed into a prime (213000492137) 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, 200943331 + ... + 200944390.

Almost surely, 2^213000492130 is an apocalyptic number.

213000492130 is a deficient number, since it is larger than the sum of its proper divisors (177634373654).

213000492130 is a wasteful number, since it uses less digits than its factorization.

213000492130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401887781.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 213000492130 its reverse (31294000312), we get a palindrome (244294492442).

The spelling of 213000492130 in words is "two hundred thirteen billion, four hundred ninety-two thousand, one hundred thirty".