31343304147 has 4 divisors (see below), whose sum is σ = 41791072200. Its totient is φ = 20895536096.

The previous prime is 31343304143. The next prime is 31343304151. The reversal of 31343304147 is 74140334313.

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

It is an interprime number because it is at equal distance from previous prime (31343304143) and next prime (31343304151).

It is a cyclic number.

It is not a de Polignac number, because 31343304147 - 2² = 31343304143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31343304143) 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, 5223884022 + ... + 5223884027.

It is an arithmetic number, because the mean of its divisors is an integer number (10447768050).

Almost surely, 2^31343304147 is an apocalyptic number.

31343304147 is a deficient number, since it is larger than the sum of its proper divisors (10447768053).

31343304147 is a wasteful number, since it uses less digits than its factorization.

31343304147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10447768052.

The product of its (nonzero) digits is 36288, while the sum is 33.

The spelling of 31343304147 in words is "thirty-one billion, three hundred forty-three million, three hundred four thousand, one hundred forty-seven".