31311141103 has 8 divisors (see below), whose sum is σ = 35642722176. Its totient is φ = 27227079000.

The previous prime is 31311141097. The next prime is 31311141107. The reversal of 31311141103 is 30114111313.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-31311141103 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 (31311141107) 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, 61879473 + ... + 61879978.

It is an arithmetic number, because the mean of its divisors is an integer number (4455340272).

Almost surely, 2^31311141103 is an apocalyptic number.

31311141103 is a deficient number, since it is larger than the sum of its proper divisors (4331581073).

31311141103 is a wasteful number, since it uses less digits than its factorization.

31311141103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123759485.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31311141103 its reverse (30114111313), we get a palindrome (61425252416).

The spelling of 31311141103 in words is "thirty-one billion, three hundred eleven million, one hundred forty-one thousand, one hundred three".