133131031230 has 32 divisors (see below), whose sum is σ = 319562625024. Its totient is φ = 35496258336.

The previous prime is 133131031171. The next prime is 133131031273. The reversal of 133131031230 is 32130131331.

It is a junction number, because it is equal to n+sod(n) for n = 133131031197 and 133131031206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129934 + ... + 532113.

It is an arithmetic number, because the mean of its divisors is an integer number (9986332032).

Almost surely, 2^133131031230 is an apocalyptic number.

133131031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133131031230 is an abundant number, since it is smaller than the sum of its proper divisors (186431593794).

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

133131031230 is a wasteful number, since it uses less digits than its factorization.

133131031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668760.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 133131031230 its reverse (32130131331), we get a palindrome (165261162561).

The spelling of 133131031230 in words is "one hundred thirty-three billion, one hundred thirty-one million, thirty-one thousand, two hundred thirty".