31360652251142 has 4 divisors (see below), whose sum is σ = 47040978376716. Its totient is φ = 15680326125570.

The previous prime is 31360652251133. The next prime is 31360652251157. The reversal of 31360652251142 is 24115225606313.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31360652251142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7840163062784 + ... + 7840163062787.

It is an arithmetic number, because the mean of its divisors is an integer number (11760244594179).

Almost surely, 2^{31360652251142} is an apocalyptic number.

31360652251142 is a deficient number, since it is larger than the sum of its proper divisors (15680326125574).

31360652251142 is a wasteful number, since it uses less digits than its factorization.

31360652251142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15680326125573.

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 31360652251142 its reverse (24115225606313), we get a palindrome (55475877857455).

The spelling of 31360652251142 in words is "thirty-one trillion, three hundred sixty billion, six hundred fifty-two million, two hundred fifty-one thousand, one hundred forty-two".