231120213003 has 20 divisors (see below), whose sum is σ = 363424898760. Its totient is φ = 145970659872.

The previous prime is 231120212963. The next prime is 231120213007. The reversal of 231120213003 is 300312021132.

It is not a de Polignac number, because 231120213003 - 2¹⁷ = 231120081931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231120213007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 75086250 + ... + 75089327.

It is an arithmetic number, because the mean of its divisors is an integer number (18171244938).

Almost surely, 2^231120213003 is an apocalyptic number.

231120213003 is a deficient number, since it is larger than the sum of its proper divisors (132304685757).

231120213003 is a wasteful number, since it uses less digits than its factorization.

231120213003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150175608 (or 150175599 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231120213003 its reverse (300312021132), we get a palindrome (531432234135).

The spelling of 231120213003 in words is "two hundred thirty-one billion, one hundred twenty million, two hundred thirteen thousand, three".