31331122141 has 8 divisors (see below), whose sum is σ = 34199567424. Its totient is φ = 28466037120.

The previous prime is 31331122127. The next prime is 31331122201. The reversal of 31331122141 is 14122113313.

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 31331122141 - 2⁹ = 31331121629 is a prime.

It is a super-2 number, since 2×31331122141² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31331122741) 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, 820545 + ... + 857878.

It is an arithmetic number, because the mean of its divisors is an integer number (4274945928).

Almost surely, 2^31331122141 is an apocalyptic number.

It is an amenable number.

31331122141 is a deficient number, since it is larger than the sum of its proper divisors (2868445283).

31331122141 is a wasteful number, since it uses less digits than its factorization.

31331122141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680131.

The product of its digits is 432, while the sum is 22.

Adding to 31331122141 its reverse (14122113313), we get a palindrome (45453235454).

The spelling of 31331122141 in words is "thirty-one billion, three hundred thirty-one million, one hundred twenty-two thousand, one hundred forty-one".