31380711223 has 8 divisors (see below), whose sum is σ = 31975560000. Its totient is φ = 30785964768.

The previous prime is 31380711221. The next prime is 31380711251. The reversal of 31380711223 is 32211708313.

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

It is a cyclic number.

It is not a de Polignac number, because 31380711223 - 2¹ = 31380711221 is a prime.

It is a super-2 number, since 2×31380711223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31380711221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924018 + ... + 957376.

It is an arithmetic number, because the mean of its divisors is an integer number (3996945000).

Almost surely, 2^31380711223 is an apocalyptic number.

31380711223 is a deficient number, since it is larger than the sum of its proper divisors (594848777).

31380711223 is a wasteful number, since it uses less digits than its factorization.

31380711223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51161.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 31380711223 in words is "thirty-one billion, three hundred eighty million, seven hundred eleven thousand, two hundred twenty-three".