31310024340011 has 6 divisors (see below), whose sum is σ = 31444978910100. Its totient is φ = 31175646499088.

The previous prime is 31310024339989. The next prime is 31310024340013. The reversal of 31310024340011 is 11004342001313.

It is not a de Polignac number, because 31310024340011 - 2³⁰ = 31308950598187 is a prime.

It is a super-2 number, since 2×31310024340011² (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 (31310024340013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288310061 + ... + 288418638.

It is an arithmetic number, because the mean of its divisors is an integer number (5240829818350).

Almost surely, 2^{31310024340011} is an apocalyptic number.

31310024340011 is a deficient number, since it is larger than the sum of its proper divisors (134954570089).

31310024340011 is an frugal number, since it uses more digits than its factorization.

31310024340011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576729165 (or 576728932 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31310024340011 its reverse (11004342001313), we get a palindrome (42314366341324).

The spelling of 31310024340011 in words is "thirty-one trillion, three hundred ten billion, twenty-four million, three hundred forty thousand, eleven".