31311313010324 has 12 divisors (see below), whose sum is σ = 55693073141748. Its totient is φ = 15399006398400.

The previous prime is 31311313010323. The next prime is 31311313010347. The reversal of 31311313010324 is 42301031311313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16551732097924 + 14759580912400 = 4068382^2 + 3841820^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31311313010293 and 31311313010302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31311313010323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64162526417 + ... + 64162526904.

It is an arithmetic number, because the mean of its divisors is an integer number (4641089428479).

Almost surely, 2^{31311313010324} is an apocalyptic number.

It is an amenable number.

31311313010324 is a deficient number, since it is larger than the sum of its proper divisors (24381760131424).

31311313010324 is a wasteful number, since it uses less digits than its factorization.

31311313010324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128325053386 (or 128325053384 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 31311313010324 its reverse (42301031311313), we get a palindrome (73612344321637).

The spelling of 31311313010324 in words is "thirty-one trillion, three hundred eleven billion, three hundred thirteen million, ten thousand, three hundred twenty-four".