231101222241400 has 48 divisors (see below), whose sum is σ = 614068961959440. Its totient is φ = 79234704768000.

The previous prime is 231101222241377. The next prime is 231101222241433. The reversal of 231101222241400 is 4142222101132.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82536149401 + ... + 82536152200.

It is an arithmetic number, because the mean of its divisors is an integer number (12793103374155).

Almost surely, 2^{231101222241400} is an apocalyptic number.

231101222241400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231101222241400 is an abundant number, since it is smaller than the sum of its proper divisors (382967739718040).

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

231101222241400 is a wasteful number, since it uses less digits than its factorization.

231101222241400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165072301624 (or 165072301615 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 231101222241400 its reverse (4142222101132), we get a palindrome (235243444342532).

The spelling of 231101222241400 in words is "two hundred thirty-one trillion, one hundred one billion, two hundred twenty-two million, two hundred forty-one thousand, four hundred".