201231142030 has 8 divisors (see below), whose sum is σ = 362216055672. Its totient is φ = 80492456808.

The previous prime is 201231142019. The next prime is 201231142037. The reversal of 201231142030 is 30241132102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201231141989 and 201231142007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201231142037) 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, 10061557092 + ... + 10061557111.

It is an arithmetic number, because the mean of its divisors is an integer number (45277006959).

Almost surely, 2^201231142030 is an apocalyptic number.

201231142030 is a deficient number, since it is larger than the sum of its proper divisors (160984913642).

201231142030 is a wasteful number, since it uses less digits than its factorization.

201231142030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20123114210.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201231142030 its reverse (30241132102), we get a palindrome (231472274132).

The spelling of 201231142030 in words is "two hundred one billion, two hundred thirty-one million, one hundred forty-two thousand, thirty".