31112203031300 has 36 divisors (see below), whose sum is σ = 67513732529460. Its totient is φ = 12444834769920.

The previous prime is 31112203031293. The next prime is 31112203031341. The reversal of 31112203031300 is 313030221113.

It can be written as a sum of positive squares in 6 ways, for example, as 147162769924 + 30965040261376 = 383618^2 + 5564624^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41590172 + ... + 42331628.

Almost surely, 2^{31112203031300} is an apocalyptic number.

It is an amenable number.

31112203031300 is an abundant number, since it is smaller than the sum of its proper divisors (36401529498160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31112203031300 is a wasteful number, since it uses less digits than its factorization.

31112203031300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161080 (or 1161073 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31112203031300 its reverse (313030221113), we get a palindrome (31425233252413).

The spelling of 31112203031300 in words is "thirty-one trillion, one hundred twelve billion, two hundred three million, thirty-one thousand, three hundred".