731413631 has 8 divisors (see below), whose sum is σ = 794648400. Its totient is φ = 669174912.

The previous prime is 731413583. The next prime is 731413633. The reversal of 731413631 is 136314137.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-731413631 is a prime.

It is a super-2 number, since 2×731413631² = 1069931799225208322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 731413594 and 731413603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731413633) 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, 247481 + ... + 250418.

It is an arithmetic number, because the mean of its divisors is an integer number (99331050).

Almost surely, 2^731413631 is an apocalyptic number.

731413631 is a deficient number, since it is larger than the sum of its proper divisors (63234769).

731413631 is a wasteful number, since it uses less digits than its factorization.

731413631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498025.

The product of its digits is 4536, while the sum is 29.

The square root of 731413631 is about 27044.6599350038. The cubic root of 731413631 is about 900.9921696057.

Adding to 731413631 its reverse (136314137), we get a palindrome (867727768).

The spelling of 731413631 in words is "seven hundred thirty-one million, four hundred thirteen thousand, six hundred thirty-one".