231233333120130 has 64 divisors (see below), whose sum is σ = 605819143738368. Its totient is φ = 56018766048960.

The previous prime is 231233333120117. The next prime is 231233333120137. The reversal of 231233333120130 is 31021333332132.

It is a super-2 number, since 2×231233333120130² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (231233333120137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235757094 + ... + 236735873.

It is an arithmetic number, because the mean of its divisors is an integer number (9465924120912).

Almost surely, 2^{231233333120130} is an apocalyptic number.

231233333120130 is an abundant number, since it is smaller than the sum of its proper divisors (374585810618238).

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

231233333120130 is a wasteful number, since it uses less digits than its factorization.

231233333120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472494471.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 231233333120130 its reverse (31021333332132), we get a palindrome (262254666452262).

The spelling of 231233333120130 in words is "two hundred thirty-one trillion, two hundred thirty-three billion, three hundred thirty-three million, one hundred twenty thousand, one hundred thirty".