31424320103325 has 24 divisors (see below), whose sum is σ = 51955353061248. Its totient is φ = 16759483466880.

The previous prime is 31424320103317. The next prime is 31424320103327. The reversal of 31424320103325 is 52330102342413.

It is not a de Polignac number, because 31424320103325 - 2³ = 31424320103317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424320103327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6543532 + ... + 10279418.

It is an arithmetic number, because the mean of its divisors is an integer number (2164806377552).

Almost surely, 2^{31424320103325} is an apocalyptic number.

It is an amenable number.

31424320103325 is a deficient number, since it is larger than the sum of its proper divisors (20531032957923).

31424320103325 is a wasteful number, since it uses less digits than its factorization.

31424320103325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848053 (or 3848048 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 31424320103325 its reverse (52330102342413), we get a palindrome (83754422445738).

The spelling of 31424320103325 in words is "thirty-one trillion, four hundred twenty-four billion, three hundred twenty million, one hundred three thousand, three hundred twenty-five".