31361452665142 has 16 divisors (see below), whose sum is σ = 47077698949632. Its totient is φ = 15668886890920.

The previous prime is 31361452665133. The next prime is 31361452665203. The reversal of 31361452665142 is 24156625416313.

It is a happy 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, 144473667 + ... + 144690577.

It is an arithmetic number, because the mean of its divisors is an integer number (2942356184352).

Almost surely, 2^{31361452665142} is an apocalyptic number.

31361452665142 is a deficient number, since it is larger than the sum of its proper divisors (15716246284490).

31361452665142 is a wasteful number, since it uses less digits than its factorization.

31361452665142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271163.

The product of its digits is 3110400, while the sum is 49.

The spelling of 31361452665142 in words is "thirty-one trillion, three hundred sixty-one billion, four hundred fifty-two million, six hundred sixty-five thousand, one hundred forty-two".