213103031132 has 6 divisors (see below), whose sum is σ = 372930304488. Its totient is φ = 106551515564.

The previous prime is 213103031083. The next prime is 213103031159. The reversal of 213103031132 is 231130301312.

It is a super-2 number, since 2×213103031132² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26637878888 + ... + 26637878895.

It is an arithmetic number, because the mean of its divisors is an integer number (62155050748).

Almost surely, 2^213103031132 is an apocalyptic number.

It is an amenable number.

213103031132 is a deficient number, since it is larger than the sum of its proper divisors (159827273356).

213103031132 is a wasteful number, since it uses less digits than its factorization.

213103031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53275757787 (or 53275757785 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213103031132 its reverse (231130301312), we get a palindrome (444233332444).

The spelling of 213103031132 in words is "two hundred thirteen billion, one hundred three million, thirty-one thousand, one hundred thirty-two".