31553253222104 has 16 divisors (see below), whose sum is σ = 60132224379120. Its totient is φ = 15517993387680.

The previous prime is 31553253221923. The next prime is 31553253222137. The reversal of 31553253222104 is 40122235235513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32329152404 + ... + 32329153379.

It is an arithmetic number, because the mean of its divisors is an integer number (3758264023695).

Almost surely, 2^{31553253222104} is an apocalyptic number.

It is an amenable number.

31553253222104 is a deficient number, since it is larger than the sum of its proper divisors (28578971157016).

31553253222104 is a wasteful number, since it uses less digits than its factorization.

31553253222104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64658305850 (or 64658305846 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 31553253222104 its reverse (40122235235513), we get a palindrome (71675488457617).

The spelling of 31553253222104 in words is "thirty-one trillion, five hundred fifty-three billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred four".