31200251413 has 8 divisors (see below), whose sum is σ = 32213212416. Its totient is φ = 30187696800.

The previous prime is 31200251371. The next prime is 31200251437. The reversal of 31200251413 is 31415200213.

It is a happy number.

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 31200251413 - 2⁹ = 31200250901 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 (31200251473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 58470 + ... + 256552.

It is an arithmetic number, because the mean of its divisors is an integer number (4026651552).

Almost surely, 2^31200251413 is an apocalyptic number.

It is an amenable number.

31200251413 is a deficient number, since it is larger than the sum of its proper divisors (1012961003).

31200251413 is a wasteful number, since it uses less digits than its factorization.

31200251413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203195.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 31200251413 its reverse (31415200213), we get a palindrome (62615451626).

The spelling of 31200251413 in words is "thirty-one billion, two hundred million, two hundred fifty-one thousand, four hundred thirteen".