31413946 has 8 divisors (see below), whose sum is σ = 47161044. Its totient is φ = 15693600.

The previous prime is 31413919. The next prime is 31413979. The reversal of 31413946 is 64931413.

It can be written as a sum of positive squares in 2 ways, for example, as 18533025 + 12880921 = 4305^2 + 3589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3435 + ... + 8638.

Almost surely, 2^31413946 is an apocalyptic number.

31413946 is a deficient number, since it is larger than the sum of its proper divisors (15747098).

31413946 is a wasteful number, since it uses less digits than its factorization.

31413946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13376.

The product of its digits is 7776, while the sum is 31.

The square root of 31413946 is about 5604.8145375204. The cubic root of 31413946 is about 315.5301260577.

The spelling of 31413946 in words is "thirty-one million, four hundred thirteen thousand, nine hundred forty-six".