31496479 has 8 divisors (see below), whose sum is σ = 36066848. Its totient is φ = 26943840.

The previous prime is 31496449. The next prime is 31496489. The reversal of 31496479 is 97469413.

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

It is not a de Polignac number, because 31496479 - 2¹¹ = 31494431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31496419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372 + ... + 7945.

It is an arithmetic number, because the mean of its divisors is an integer number (4508356).

Almost surely, 2^31496479 is an apocalyptic number.

31496479 is a deficient number, since it is larger than the sum of its proper divisors (4570369).

31496479 is an equidigital number, since it uses as much as digits as its factorization.

31496479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8865.

The product of its digits is 163296, while the sum is 43.

The square root of 31496479 is about 5612.1723957840. The cubic root of 31496479 is about 315.8062123004.

The spelling of 31496479 in words is "thirty-one million, four hundred ninety-six thousand, four hundred seventy-nine".