31296963309 has 8 divisors (see below), whose sum is σ = 41812247232. Its totient is φ = 20823160800.

The previous prime is 31296963293. The next prime is 31296963319. The reversal of 31296963309 is 90336969213.

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

It is not a de Polignac number, because 31296963309 - 2⁴ = 31296963293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31296963319) 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, 10368592 + ... + 10371609.

It is an arithmetic number, because the mean of its divisors is an integer number (5226530904).

Almost surely, 2^31296963309 is an apocalyptic number.

It is an amenable number.

31296963309 is a deficient number, since it is larger than the sum of its proper divisors (10515283923).

31296963309 is a wasteful number, since it uses less digits than its factorization.

31296963309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20740707.

The product of its (nonzero) digits is 1417176, while the sum is 51.

It can be divided in two parts, 312969 and 63309, that added together give a triangular number (376278 = T₈₆₇).

The spelling of 31296963309 in words is "thirty-one billion, two hundred ninety-six million, nine hundred sixty-three thousand, three hundred nine".