31423011214312 has 16 divisors (see below), whose sum is σ = 58921472558340. Its totient is φ = 15710618532096.

The previous prime is 31423011214297. The next prime is 31423011214351. The reversal of 31423011214312 is 21341211032413.

It can be written as a sum of positive squares in 2 ways, for example, as 25592206147876 + 5830805066436 = 5058874^2 + 2414706^2 .

It is a super-3 number, since 3×31423011214312³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110733823 + ... + 111017230.

Almost surely, 2^{31423011214312} is an apocalyptic number.

It is an amenable number.

31423011214312 is a deficient number, since it is larger than the sum of its proper divisors (27498461344028).

31423011214312 is a wasteful number, since it uses less digits than its factorization.

31423011214312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221768772 (or 221768768 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 31423011214312 its reverse (21341211032413), we get a palindrome (52764222246725).

The spelling of 31423011214312 in words is "thirty-one trillion, four hundred twenty-three billion, eleven million, two hundred fourteen thousand, three hundred twelve".