31325727141 has 6 divisors (see below), whose sum is σ = 45248272550. Its totient is φ = 20883818088.

The previous prime is 31325727109. The next prime is 31325727149. The reversal of 31325727141 is 14172752313.

31325727141 is a `hidden beast` number, since 3 + 13 + 2 + 572 + 71 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20602296225 + 10723430916 = 143535^2 + 103554^2 .

It is not a de Polignac number, because 31325727141 - 2⁵ = 31325727109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31325727096 and 31325727105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31325727149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1740318166 + ... + 1740318183.

Almost surely, 2^31325727141 is an apocalyptic number.

It is an amenable number.

31325727141 is a deficient number, since it is larger than the sum of its proper divisors (13922545409).

31325727141 is a wasteful number, since it uses less digits than its factorization.

31325727141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480636355 (or 3480636352 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The spelling of 31325727141 in words is "thirty-one billion, three hundred twenty-five million, seven hundred twenty-seven thousand, one hundred forty-one".