31110131123131 has 8 divisors (see below), whose sum is σ = 31201046063280. Its totient is φ = 31019262658272.

The previous prime is 31110131123117. The next prime is 31110131123233. The reversal of 31110131123131 is 13132113101113.

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 31110131123131 - 2¹³ = 31110131114939 is a prime.

It is a super-2 number, since 2×31110131123131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31110131123101) 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, 10277860 + ... + 12955873.

It is an arithmetic number, because the mean of its divisors is an integer number (3900130757910).

Almost surely, 2^{31110131123131} is an apocalyptic number.

31110131123131 is a deficient number, since it is larger than the sum of its proper divisors (90914940149).

31110131123131 is a wasteful number, since it uses less digits than its factorization.

31110131123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23237645.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 31110131123131 its reverse (13132113101113), we get a palindrome (44242244224244).

The spelling of 31110131123131 in words is "thirty-one trillion, one hundred ten billion, one hundred thirty-one million, one hundred twenty-three thousand, one hundred thirty-one".