130203213231 has 64 divisors (see below), whose sum is σ = 232350225408. Its totient is φ = 62891624448.

The previous prime is 130203213227. The next prime is 130203213307. The reversal of 130203213231 is 132312302031.

It is not a de Polignac number, because 130203213231 - 2² = 130203213227 is a prime.

It is a super-2 number, since 2×130203213231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 130203213198 and 130203213207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130203213031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 207405 + ... + 550838.

It is an arithmetic number, because the mean of its divisors is an integer number (3630472272).

Almost surely, 2^130203213231 is an apocalyptic number.

130203213231 is a deficient number, since it is larger than the sum of its proper divisors (102147012177).

130203213231 is a wasteful number, since it uses less digits than its factorization.

130203213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758320.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 130203213231 its reverse (132312302031), we get a palindrome (262515515262).

The spelling of 130203213231 in words is "one hundred thirty billion, two hundred three million, two hundred thirteen thousand, two hundred thirty-one".