231202123030 has 16 divisors (see below), whose sum is σ = 422025285024. Its totient is φ = 91178301760.

The previous prime is 231202123013. The next prime is 231202123039. The reversal of 231202123030 is 30321202132.

It is a junction number, because it is equal to n+sod(n) for n = 231202122989 and 231202123007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231202123039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162817687 + ... + 162819106.

It is an arithmetic number, because the mean of its divisors is an integer number (26376580314).

Almost surely, 2^231202123030 is an apocalyptic number.

231202123030 is a deficient number, since it is larger than the sum of its proper divisors (190823161994).

231202123030 is a wasteful number, since it uses less digits than its factorization.

231202123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325636871.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 231202123030 its reverse (30321202132), we get a palindrome (261523325162).

The spelling of 231202123030 in words is "two hundred thirty-one billion, two hundred two million, one hundred twenty-three thousand, thirty".