31343141807 has 4 divisors (see below), whose sum is σ = 31345866816. Its totient is φ = 31340416800.

The previous prime is 31343141803. The next prime is 31343141833. The reversal of 31343141807 is 70814134313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31343141807 - 2² = 31343141803 is a prime.

It is a super-2 number, since 2×31343141807² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343141803) 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 3 ways as a sum of consecutive naturals, for example, 1345178 + ... + 1368279.

It is an arithmetic number, because the mean of its divisors is an integer number (7836466704).

Almost surely, 2^31343141807 is an apocalyptic number.

31343141807 is a deficient number, since it is larger than the sum of its proper divisors (2725009).

31343141807 is a wasteful number, since it uses less digits than its factorization.

31343141807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725008.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 31343141807 in words is "thirty-one billion, three hundred forty-three million, one hundred forty-one thousand, eight hundred seven".