31310143103113 has 8 divisors (see below), whose sum is σ = 35811947959232. Its totient is φ = 26815570064496.

The previous prime is 31310143103069. The next prime is 31310143103131. The reversal of 31310143103113 is 31130134101313.

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 31310143103113 - 2¹³ = 31310143094921 is a prime.

It is a super-2 number, since 2×31310143103113² (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 (31310143103143) 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, 1807945095 + ... + 1807962412.

It is an arithmetic number, because the mean of its divisors is an integer number (4476493494904).

Almost surely, 2^{31310143103113} is an apocalyptic number.

It is an amenable number.

31310143103113 is a deficient number, since it is larger than the sum of its proper divisors (4501804856119).

31310143103113 is a wasteful number, since it uses less digits than its factorization.

31310143103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615908751.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 31310143103113 its reverse (31130134101313), we get a palindrome (62440277204426).

The spelling of 31310143103113 in words is "thirty-one trillion, three hundred ten billion, one hundred forty-three million, one hundred three thousand, one hundred thirteen".