31371458107 has 4 divisors (see below), whose sum is σ = 34223408856. Its totient is φ = 28519507360.

The previous prime is 31371458071. The next prime is 31371458119. The reversal of 31371458107 is 70185417313.

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 31371458107 - 2⁷ = 31371457979 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 31371458107.

It is not an unprimeable number, because it can be changed into a prime (31371458207) 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, 1425975358 + ... + 1425975379.

It is an arithmetic number, because the mean of its divisors is an integer number (8555852214).

Almost surely, 2^31371458107 is an apocalyptic number.

31371458107 is a deficient number, since it is larger than the sum of its proper divisors (2851950749).

31371458107 is a wasteful number, since it uses less digits than its factorization.

31371458107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851950748.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 31371458107 in words is "thirty-one billion, three hundred seventy-one million, four hundred fifty-eight thousand, one hundred seven".