231060820290900 has 144 divisors (see below), whose sum is σ = 669472777666560. Its totient is φ = 61529888880000.

The previous prime is 231060820290851. The next prime is 231060820290917. The reversal of 231060820290900 is 9092028060132.

It is a super-3 number, since 3×231060820290900³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4487724957 + ... + 4487776443.

Almost surely, 2^{231060820290900} is an apocalyptic number.

231060820290900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231060820290900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334736388833280).

231060820290900 is an abundant number, since it is smaller than the sum of its proper divisors (438411957375660).

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

231060820290900 is a wasteful number, since it uses less digits than its factorization.

231060820290900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72174 (or 72167 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 231060820290900 in words is "two hundred thirty-one trillion, sixty billion, eight hundred twenty million, two hundred ninety thousand, nine hundred".