31201343421022 has 8 divisors (see below), whose sum is σ = 46820713507056. Its totient is φ = 15594438918672.

The previous prime is 31201343421007. The next prime is 31201343421107. The reversal of 31201343421022 is 22012434310213.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3116389663 + ... + 3116399674.

It is an arithmetic number, because the mean of its divisors is an integer number (5852589188382).

Almost surely, 2^{31201343421022} is an apocalyptic number.

31201343421022 is a deficient number, since it is larger than the sum of its proper divisors (15619370086034).

31201343421022 is a wasteful number, since it uses less digits than its factorization.

31201343421022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232791842.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31201343421022 its reverse (22012434310213), we get a palindrome (53213777731235).

The spelling of 31201343421022 in words is "thirty-one trillion, two hundred one billion, three hundred forty-three million, four hundred twenty-one thousand, twenty-two".