31434130215 has 16 divisors (see below), whose sum is σ = 55882898400. Its totient is φ = 16764869376.

The previous prime is 31434130181. The next prime is 31434130229. The reversal of 31434130215 is 51203143413.

It is a happy number.

31434130215 is a `hidden beast` number, since 3 + 1 + 4 + 341 + 302 + 15 = 666.

It is not a de Polignac number, because 31434130215 - 2⁸ = 31434129959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 116422570 + ... + 116422839.

It is an arithmetic number, because the mean of its divisors is an integer number (3492681150).

Almost surely, 2^31434130215 is an apocalyptic number.

31434130215 is a deficient number, since it is larger than the sum of its proper divisors (24448768185).

31434130215 is a wasteful number, since it uses less digits than its factorization.

31434130215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232845423 (or 232845417 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 31434130215 its reverse (51203143413), we get a palindrome (82637273628).

The spelling of 31434130215 in words is "thirty-one billion, four hundred thirty-four million, one hundred thirty thousand, two hundred fifteen".