231001211130 has 16 divisors (see below), whose sum is σ = 554402906784. Its totient is φ = 61600322960.

The previous prime is 231001211093. The next prime is 231001211141. The reversal of 231001211130 is 31112100132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3850020156 + ... + 3850020215.

It is an arithmetic number, because the mean of its divisors is an integer number (34650181674).

Almost surely, 2^231001211130 is an apocalyptic number.

231001211130 is an abundant number, since it is smaller than the sum of its proper divisors (323401695654).

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

231001211130 is a wasteful number, since it uses less digits than its factorization.

231001211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700040381.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231001211130 its reverse (31112100132), we get a palindrome (262113311262).

The spelling of 231001211130 in words is "two hundred thirty-one billion, one million, two hundred eleven thousand, one hundred thirty".