31244532413 has 8 divisors (see below), whose sum is σ = 32616537408. Its totient is φ = 29873656384.

The previous prime is 31244532391. The next prime is 31244532437. The reversal of 31244532413 is 31423544213.

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

It is a cyclic number.

It is not a de Polignac number, because 31244532413 - 2¹⁰ = 31244531389 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 31244532413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31244532443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225431 + ... + 336612.

It is an arithmetic number, because the mean of its divisors is an integer number (4077067176).

Almost surely, 2^31244532413 is an apocalyptic number.

It is an amenable number.

31244532413 is a deficient number, since it is larger than the sum of its proper divisors (1372004995).

31244532413 is a wasteful number, since it uses less digits than its factorization.

31244532413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564483.

The product of its digits is 34560, while the sum is 32.

The spelling of 31244532413 in words is "thirty-one billion, two hundred forty-four million, five hundred thirty-two thousand, four hundred thirteen".