231102030 has 32 divisors (see below), whose sum is σ = 555698304. Its totient is φ = 61510176.

The previous prime is 231102023. The next prime is 231102031. The reversal of 231102030 is 30201132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231101997 and 231102015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231102031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9369 + ... + 23451.

It is an arithmetic number, because the mean of its divisors is an integer number (17365572).

Almost surely, 2^231102030 is an apocalyptic number.

231102030 is an abundant number, since it is smaller than the sum of its proper divisors (324596274).

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

231102030 is a wasteful number, since it uses less digits than its factorization.

231102030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14640.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 231102030 is about 15202.0403235881. The cubic root of 231102030 is about 613.6695675960.

Adding to 231102030 its reverse (30201132), we get a palindrome (261303162).

The spelling of 231102030 in words is "two hundred thirty-one million, one hundred two thousand, thirty".