31012103311 has 8 divisors (see below), whose sum is σ = 35840633760. Its totient is φ = 26283130368.

The previous prime is 31012103197. The next prime is 31012103321. The reversal of 31012103311 is 11330121013.

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 31012103311 - 2¹⁵ = 31012070543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31012103321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24888706 + ... + 24889951.

It is an arithmetic number, because the mean of its divisors is an integer number (4480079220).

Almost surely, 2^31012103311 is an apocalyptic number.

31012103311 is a deficient number, since it is larger than the sum of its proper divisors (4828530449).

31012103311 is an equidigital number, since it uses as much as digits as its factorization.

31012103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49778753.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31012103311 its reverse (11330121013), we get a palindrome (42342224324).

The spelling of 31012103311 in words is "thirty-one billion, twelve million, one hundred three thousand, three hundred eleven".