31333430121412 has 6 divisors (see below), whose sum is σ = 54833502712478. Its totient is φ = 15666715060704.

The previous prime is 31333430121391. The next prime is 31333430121431. The reversal of 31333430121412 is 21412103433313.

It can be written as a sum of positive squares in only one way, i.e., 29479513686016 + 1853916435396 = 5429504^2 + 1361586^2 .

It is a super-3 number, since 3×31333430121412³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3916678765173 + ... + 3916678765180.

Almost surely, 2^{31333430121412} is an apocalyptic number.

It is an amenable number.

31333430121412 is a deficient number, since it is larger than the sum of its proper divisors (23500072591066).

31333430121412 is a wasteful number, since it uses less digits than its factorization.

31333430121412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7833357530357 (or 7833357530355 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 31333430121412 its reverse (21412103433313), we get a palindrome (52745533554725).

The spelling of 31333430121412 in words is "thirty-one trillion, three hundred thirty-three billion, four hundred thirty million, one hundred twenty-one thousand, four hundred twelve".