31213614141271 has 4 divisors (see below), whose sum is σ = 32856435938200. Its totient is φ = 29570792344344.

The previous prime is 31213614141257. The next prime is 31213614141293. The reversal of 31213614141271 is 17214141631213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31213614141271 - 2⁵ = 31213614141239 is a prime.

It is a super-3 number, since 3×31213614141271³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31213614141271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31213614141571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821410898436 + ... + 821410898473.

It is an arithmetic number, because the mean of its divisors is an integer number (8214108984550).

Almost surely, 2^{31213614141271} is an apocalyptic number.

31213614141271 is a deficient number, since it is larger than the sum of its proper divisors (1642821796929).

31213614141271 is a wasteful number, since it uses less digits than its factorization.

31213614141271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642821796928.

The product of its digits is 24192, while the sum is 37.

Adding to 31213614141271 its reverse (17214141631213), we get a palindrome (48427755772484).

The spelling of 31213614141271 in words is "thirty-one trillion, two hundred thirteen billion, six hundred fourteen million, one hundred forty-one thousand, two hundred seventy-one".