31200011300312 has 8 divisors (see below), whose sum is σ = 58500021188100. Its totient is φ = 15600005650152.

The previous prime is 31200011300303. The next prime is 31200011300323. The reversal of 31200011300312 is 21300311000213.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×31200011300312³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950000706262 + ... + 1950000706277.

Almost surely, 2^{31200011300312} is an apocalyptic number.

It is an amenable number.

31200011300312 is a deficient number, since it is larger than the sum of its proper divisors (27300009887788).

31200011300312 is a wasteful number, since it uses less digits than its factorization.

31200011300312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900001412545 (or 3900001412541 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31200011300312 its reverse (21300311000213), we get a palindrome (52500322300525).

The spelling of 31200011300312 in words is "thirty-one trillion, two hundred billion, eleven million, three hundred thousand, three hundred twelve".