31323055613226 has 16 divisors (see below), whose sum is σ = 67465042859424. Its totient is φ = 9637863265584.

The previous prime is 31323055613221. The next prime is 31323055613279. The reversal of 31323055613226 is 62231655032313.

It is a super-2 number, since 2×31323055613226² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31323055613221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200788817956 + ... + 200788818111.

It is an arithmetic number, because the mean of its divisors is an integer number (4216565178714).

Almost surely, 2^{31323055613226} is an apocalyptic number.

31323055613226 is an abundant number, since it is smaller than the sum of its proper divisors (36141987246198).

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

31323055613226 is a wasteful number, since it uses less digits than its factorization.

31323055613226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401577636085.

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 31323055613226 in words is "thirty-one trillion, three hundred twenty-three billion, fifty-five million, six hundred thirteen thousand, two hundred twenty-six".