31220024001113 has 48 divisors (see below), whose sum is σ = 32885213872128. Its totient is φ = 29607756746400.

The previous prime is 31220024001041. The next prime is 31220024001151. The reversal of 31220024001113 is 31110042002213.

It is not a de Polignac number, because 31220024001113 - 2¹⁰ = 31220024000089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31220024006113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26844388070 + ... + 26844389232.

It is an arithmetic number, because the mean of its divisors is an integer number (685108622336).

Almost surely, 2^{31220024001113} is an apocalyptic number.

It is an amenable number.

31220024001113 is a deficient number, since it is larger than the sum of its proper divisors (1665189871015).

31220024001113 is a wasteful number, since it uses less digits than its factorization.

31220024001113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31220024001113 its reverse (31110042002213), we get a palindrome (62330066003326).

The spelling of 31220024001113 in words is "thirty-one trillion, two hundred twenty billion, twenty-four million, one thousand, one hundred thirteen".