31060443121 has 2 divisors, whose sum is σ = 31060443122. Its totient is φ = 31060443120.

The previous prime is 31060443109. The next prime is 31060443133. The reversal of 31060443121 is 12134406013.

It is a balanced prime because it is at equal distance from previous prime (31060443109) and next prime (31060443133).

It can be written as a sum of positive squares in only one way, i.e., 27867628096 + 3192815025 = 166936^2 + 56505^2 .

It is a cyclic number.

It is not a de Polignac number, because 31060443121 - 2³¹ = 28912959473 is a prime.

It is a super-2 number, since 2×31060443121² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31060443221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15530221560 + 15530221561.

It is an arithmetic number, because the mean of its divisors is an integer number (15530221561).

Almost surely, 2^31060443121 is an apocalyptic number.

It is an amenable number.

31060443121 is a deficient number, since it is larger than the sum of its proper divisors (1).

31060443121 is an equidigital number, since it uses as much as digits as its factorization.

31060443121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31060443121 its reverse (12134406013), we get a palindrome (43194849134).

The spelling of 31060443121 in words is "thirty-one billion, sixty million, four hundred forty-three thousand, one hundred twenty-one".