31420635043007 has 4 divisors (see below), whose sum is σ = 35909297192016. Its totient is φ = 26931972894000.

The previous prime is 31420635043003. The next prime is 31420635043151. The reversal of 31420635043007 is 70034053602413.

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 31420635043007 - 2² = 31420635043003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420635043003) 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, 2244331074494 + ... + 2244331074507.

It is an arithmetic number, because the mean of its divisors is an integer number (8977324298004).

Almost surely, 2^{31420635043007} is an apocalyptic number.

31420635043007 is a deficient number, since it is larger than the sum of its proper divisors (4488662149009).

31420635043007 is an equidigital number, since it uses as much as digits as its factorization.

31420635043007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488662149008.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 31420635043007 in words is "thirty-one trillion, four hundred twenty billion, six hundred thirty-five million, forty-three thousand, seven".