31041375401 has 2 divisors, whose sum is σ = 31041375402. Its totient is φ = 31041375400.

The previous prime is 31041375383. The next prime is 31041375467. The reversal of 31041375401 is 10457314013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26471615401 + 4569760000 = 162701^2 + 67600^2 .

It is an emirp because it is prime and its reverse (10457314013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31041375401 - 2¹⁴ = 31041359017 is a prime.

It is a super-3 number, since 3×31041375401³ (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (31041275401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15520687700 + 15520687701.

It is an arithmetic number, because the mean of its divisors is an integer number (15520687701).

Almost surely, 2^31041375401 is an apocalyptic number.

It is an amenable number.

31041375401 is a deficient number, since it is larger than the sum of its proper divisors (1).

31041375401 is an equidigital number, since it uses as much as digits as its factorization.

31041375401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 31041375401 its reverse (10457314013), we get a palindrome (41498689414).

The spelling of 31041375401 in words is "thirty-one billion, forty-one million, three hundred seventy-five thousand, four hundred one".