31226223251223 has 192 divisors, whose sum is σ = 62591030820864. Its totient is φ = 14472621216000.

The previous prime is 31226223251183. The next prime is 31226223251287. The reversal of 31226223251223 is 32215232262213.

31226223251223 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 622 + 3 + 2 + 5 + 1 + 2 + 23 = 666.

It is not a de Polignac number, because 31226223251223 - 2⁹ = 31226223250711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31226223251123) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 226426336 + ... + 226564202.

It is an arithmetic number, because the mean of its divisors is an integer number (325994952192).

Almost surely, 2^{31226223251223} is an apocalyptic number.

31226223251223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31226223251223 is an abundant number, since it is smaller than the sum of its proper divisors (31364807569641).

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

31226223251223 is a wasteful number, since it uses less digits than its factorization.

31226223251223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138746 (or 138743 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The spelling of 31226223251223 in words is "thirty-one trillion, two hundred twenty-six billion, two hundred twenty-three million, two hundred fifty-one thousand, two hundred twenty-three".