31432413 has 8 divisors (see below), whose sum is σ = 42484288. Its totient is φ = 20667744.

The previous prime is 31432411. The next prime is 31432483. The reversal of 31432413 is 31423413.

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

It is not a de Polignac number, because 31432413 - 2¹ = 31432411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31432413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31432411) 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 in 7 ways as a sum of consecutive naturals, for example, 71545 + ... + 71982.

It is an arithmetic number, because the mean of its divisors is an integer number (5310536).

Almost surely, 2^31432413 is an apocalyptic number.

It is an amenable number.

31432413 is a deficient number, since it is larger than the sum of its proper divisors (11051875).

31432413 is a wasteful number, since it uses less digits than its factorization.

31432413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143603.

The product of its digits is 864, while the sum is 21.

The square root of 31432413 is about 5606.4617184103. The cubic root of 31432413 is about 315.5919431183.

Adding to 31432413 its reverse (31423413), we get a palindrome (62855826).

The spelling of 31432413 in words is "thirty-one million, four hundred thirty-two thousand, four hundred thirteen".