131223220203110 has 32 divisors (see below), whose sum is σ = 269945325421632. Its totient is φ = 44990749140480.

The previous prime is 131223220203077. The next prime is 131223220203157. The reversal of 131223220203110 is 11302022322131.

It is a Curzon number.

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, 68322074 + ... + 70216466.

It is an arithmetic number, because the mean of its divisors is an integer number (8435791419426).

Almost surely, 2^{131223220203110} is an apocalyptic number.

131223220203110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131223220203110 is an abundant number, since it is smaller than the sum of its proper divisors (138722105218522).

131223220203110 is a wasteful number, since it uses less digits than its factorization.

131223220203110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883968.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131223220203110 its reverse (11302022322131), we get a palindrome (142525242525241).

The spelling of 131223220203110 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, two hundred twenty million, two hundred three thousand, one hundred ten".