31090611223 has 8 divisors (see below), whose sum is σ = 35538558848. Its totient is φ = 26644271544.

The previous prime is 31090611197. The next prime is 31090611229. The reversal of 31090611223 is 32211609013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31090611223 is a prime.

It is a super-2 number, since 2×31090611223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31090611191 and 31090611200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31090611229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360261 + ... + 438142.

It is an arithmetic number, because the mean of its divisors is an integer number (4442319856).

Almost surely, 2^31090611223 is an apocalyptic number.

31090611223 is a deficient number, since it is larger than the sum of its proper divisors (4447947625).

31090611223 is an equidigital number, since it uses as much as digits as its factorization.

31090611223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803973.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 31090611223 in words is "thirty-one billion, ninety million, six hundred eleven thousand, two hundred twenty-three".