231303132130 has 32 divisors (see below), whose sum is σ = 483888401280. Its totient is φ = 77959795200.

The previous prime is 231303132113. The next prime is 231303132211. The reversal of 231303132130 is 31231303132.

It is a super-2 number, since 2×231303132130² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27998671 + ... + 28006930.

It is an arithmetic number, because the mean of its divisors is an integer number (15121512540).

Almost surely, 2^231303132130 is an apocalyptic number.

231303132130 is an abundant number, since it is smaller than the sum of its proper divisors (252585269150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231303132130 is a wasteful number, since it uses less digits than its factorization.

231303132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56005674.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 231303132130 its reverse (31231303132), we get a palindrome (262534435262).

The spelling of 231303132130 in words is "two hundred thirty-one billion, three hundred three million, one hundred thirty-two thousand, one hundred thirty".