231210020130 has 32 divisors (see below), whose sum is σ = 565373939904. Its totient is φ = 60492684096.

The previous prime is 231210020099. The next prime is 231210020161. The reversal of 231210020130 is 31020012132.

231210020130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231210020099) and next prime (231210020161).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72705964 + ... + 72709143.

It is an arithmetic number, because the mean of its divisors is an integer number (17667935622).

Almost surely, 2^231210020130 is an apocalyptic number.

231210020130 is an abundant number, since it is smaller than the sum of its proper divisors (334163919774).

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

231210020130 is a wasteful number, since it uses less digits than its factorization.

231210020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145415170.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 231210020130 its reverse (31020012132), we get a palindrome (262230032262).

The spelling of 231210020130 in words is "two hundred thirty-one billion, two hundred ten million, twenty thousand, one hundred thirty".