312211314133432 has 32 divisors (see below), whose sum is σ = 669936965320800. Its totient is φ = 133622304764544.

The previous prime is 312211314133427. The next prime is 312211314133441. The reversal of 312211314133432 is 234331413112213.

It is a happy number.

It is a super-2 number, since 2×312211314133432² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3802961707 + ... + 3803043802.

It is an arithmetic number, because the mean of its divisors is an integer number (20935530166275).

Almost surely, 2^{312211314133432} is an apocalyptic number.

It is an amenable number.

312211314133432 is an abundant number, since it is smaller than the sum of its proper divisors (357725651187368).

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

312211314133432 is a wasteful number, since it uses less digits than its factorization.

312211314133432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606006255 (or 7606006251 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

Adding to 312211314133432 its reverse (234331413112213), we get a palindrome (546542727245645).

The spelling of 312211314133432 in words is "three hundred twelve trillion, two hundred eleven billion, three hundred fourteen million, one hundred thirty-three thousand, four hundred thirty-two".