231211133301000 has 128 divisors (see below), whose sum is σ = 723945922652160. Its totient is φ = 61436884544000.

The previous prime is 231211133300999. The next prime is 231211133301041. The reversal of 231211133301000 is 103331112132.

It is a happy number.

It is a super-3 number, since 3×231211133301000³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136292904 + ... + 137978903.

It is an arithmetic number, because the mean of its divisors is an integer number (5655827520720).

Almost surely, 2^{231211133301000} is an apocalyptic number.

231211133301000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231211133301000 is an abundant number, since it is smaller than the sum of its proper divisors (492734789351160).

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

231211133301000 is a wasteful number, since it uses less digits than its factorization.

231211133301000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274272112 (or 274272098 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 231211133301000 its reverse (103331112132), we get a palindrome (231314464413132).

The spelling of 231211133301000 in words is "two hundred thirty-one trillion, two hundred eleven billion, one hundred thirty-three million, three hundred one thousand".