31402205005 has 8 divisors (see below), whose sum is σ = 38898215424. Its totient is φ = 24311384400.

The previous prime is 31402204963. The next prime is 31402205033. The reversal of 31402205005 is 50050220413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31402205005 - 2¹¹ = 31402202957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101297281 + ... + 101297590.

It is an arithmetic number, because the mean of its divisors is an integer number (4862276928).

Almost surely, 2^31402205005 is an apocalyptic number.

It is an amenable number.

31402205005 is a deficient number, since it is larger than the sum of its proper divisors (7496010419).

31402205005 is a wasteful number, since it uses less digits than its factorization.

31402205005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202594907.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 31402205005 its reverse (50050220413), we get a palindrome (81452425418).

The spelling of 31402205005 in words is "thirty-one billion, four hundred two million, two hundred five thousand, five".