31477941 has 12 divisors (see below), whose sum is σ = 49601760. Its totient is φ = 19077480.

The previous prime is 31477937. The next prime is 31477951. The reversal of 31477941 is 14977413.

It is not a de Polignac number, because 31477941 - 2² = 31477937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31477896 and 31477905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31477951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158881 + ... + 159078.

It is an arithmetic number, because the mean of its divisors is an integer number (4133480).

Almost surely, 2^31477941 is an apocalyptic number.

It is an amenable number.

31477941 is a deficient number, since it is larger than the sum of its proper divisors (18123819).

31477941 is a wasteful number, since it uses less digits than its factorization.

31477941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317976 (or 317973 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 31477941 is about 5610.5205640832. The cubic root of 31477941 is about 315.7442417277.

The spelling of 31477941 in words is "thirty-one million, four hundred seventy-seven thousand, nine hundred forty-one".