31102302231111 has 8 divisors (see below), whose sum is σ = 42590539992304. Its totient is φ = 20174466312000.

The previous prime is 31102302231089. The next prime is 31102302231131. The reversal of 31102302231111 is 11113220320113.

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

It is not a de Polignac number, because 31102302231111 - 2¹⁷ = 31102302100039 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 (31102302231131) 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, 140100460390 + ... + 140100460611.

It is an arithmetic number, because the mean of its divisors is an integer number (5323817499038).

Almost surely, 2^{31102302231111} is an apocalyptic number.

31102302231111 is a deficient number, since it is larger than the sum of its proper divisors (11488237761193).

31102302231111 is a wasteful number, since it uses less digits than its factorization.

31102302231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280200921041.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 31102302231111 its reverse (11113220320113), we get a palindrome (42215522551224).

The spelling of 31102302231111 in words is "thirty-one trillion, one hundred two billion, three hundred two million, two hundred thirty-one thousand, one hundred eleven".