31272023941 has 2 divisors, whose sum is σ = 31272023942. Its totient is φ = 31272023940.

The previous prime is 31272023933. The next prime is 31272023947. The reversal of 31272023941 is 14932027213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30807621441 + 464402500 = 175521^2 + 21550^2 .

It is a cyclic number.

It is not a de Polignac number, because 31272023941 - 2³ = 31272023933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31272023897 and 31272023906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31272023947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15636011970 + 15636011971.

It is an arithmetic number, because the mean of its divisors is an integer number (15636011971).

Almost surely, 2^31272023941 is an apocalyptic number.

It is an amenable number.

31272023941 is a deficient number, since it is larger than the sum of its proper divisors (1).

31272023941 is an equidigital number, since it uses as much as digits as its factorization.

31272023941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 31272023941 in words is "thirty-one billion, two hundred seventy-two million, twenty-three thousand, nine hundred forty-one".