31026634382146 has 16 divisors (see below), whose sum is σ = 50127038249400. Its totient is φ = 14317959270528.

The previous prime is 31026634382141. The next prime is 31026634382203. The reversal of 31026634382146 is 64128343662013.

It can be written as a sum of positive squares in 4 ways, for example, as 23717240901225 + 7309393480921 = 4870035^2 + 2703589^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31026634382146.

It is not an unprimeable number, because it can be changed into a prime (31026634382141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84222211 + ... + 84589798.

Almost surely, 2^{31026634382146} is an apocalyptic number.

31026634382146 is a deficient number, since it is larger than the sum of its proper divisors (19100403867254).

31026634382146 is a wasteful number, since it uses less digits than its factorization.

31026634382146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168819093.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 31026634382146 in words is "thirty-one trillion, twenty-six billion, six hundred thirty-four million, three hundred eighty-two thousand, one hundred forty-six".