31341772799 has 4 divisors (see below), whose sum is σ = 32352797760. Its totient is φ = 30330747840.

The previous prime is 31341772789. The next prime is 31341772879. The reversal of 31341772799 is 99727714313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99727714313 = 117763 ⋅846851.

It is a cyclic number.

It is not a de Polignac number, because 31341772799 - 2²⁰ = 31340724223 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 31341772799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31341772729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505512434 + ... + 505512495.

It is an arithmetic number, because the mean of its divisors is an integer number (8088199440).

Almost surely, 2^31341772799 is an apocalyptic number.

31341772799 is a deficient number, since it is larger than the sum of its proper divisors (1011024961).

31341772799 is a wasteful number, since it uses less digits than its factorization.

31341772799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011024960.

The product of its digits is 2000376, while the sum is 53.

The spelling of 31341772799 in words is "thirty-one billion, three hundred forty-one million, seven hundred seventy-two thousand, seven hundred ninety-nine".