231030102133 has 4 divisors (see below), whose sum is σ = 231996755520. Its totient is φ = 230063448748.

The previous prime is 231030102101. The next prime is 231030102157. The reversal of 231030102133 is 331201030132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231030102133 - 2⁵ = 231030102101 is a prime.

It is a super-2 number, since 2×231030102133² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231030102133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231030102533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483326335 + ... + 483326812.

It is an arithmetic number, because the mean of its divisors is an integer number (57999188880).

Almost surely, 2^231030102133 is an apocalyptic number.

It is an amenable number.

231030102133 is a deficient number, since it is larger than the sum of its proper divisors (966653387).

231030102133 is an equidigital number, since it uses as much as digits as its factorization.

231030102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966653386.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231030102133 its reverse (331201030132), we get a palindrome (562231132265).

The spelling of 231030102133 in words is "two hundred thirty-one billion, thirty million, one hundred two thousand, one hundred thirty-three".