31353139211 has 6 divisors (see below), whose sum is σ = 31643433612. Its totient is φ = 31065483960.

The previous prime is 31353139189. The next prime is 31353139303. The reversal of 31353139211 is 11293135313.

It is not a de Polignac number, because 31353139211 - 2³⁰ = 30279397387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31353139511) 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 5 ways as a sum of consecutive naturals, for example, 1307585 + ... + 1331346.

It is an arithmetic number, because the mean of its divisors is an integer number (5273905602).

Almost surely, 2^31353139211 is an apocalyptic number.

31353139211 is a deficient number, since it is larger than the sum of its proper divisors (290294401).

31353139211 is an equidigital number, since it uses as much as digits as its factorization.

31353139211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639149 (or 2639040 counting only the distinct ones).

The product of its digits is 7290, while the sum is 32.

The spelling of 31353139211 in words is "thirty-one billion, three hundred fifty-three million, one hundred thirty-nine thousand, two hundred eleven".