31121414311 has 8 divisors (see below), whose sum is σ = 33518136960. Its totient is φ = 28725087072.

The previous prime is 31121414281. The next prime is 31121414329. The reversal of 31121414311 is 11341412113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31121414311 - 2¹⁹ = 31120890023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31121414371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76101 + ... + 260833.

It is an arithmetic number, because the mean of its divisors is an integer number (4189767120).

Almost surely, 2^31121414311 is an apocalyptic number.

31121414311 is a deficient number, since it is larger than the sum of its proper divisors (2396722649).

31121414311 is a wasteful number, since it uses less digits than its factorization.

31121414311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197705.

The product of its digits is 288, while the sum is 22.

Adding to 31121414311 its reverse (11341412113), we get a palindrome (42462826424).

The spelling of 31121414311 in words is "thirty-one billion, one hundred twenty-one million, four hundred fourteen thousand, three hundred eleven".