31522043102342 has 16 divisors (see below), whose sum is σ = 50920952388432. Its totient is φ = 14548427016480.

The previous prime is 31522043102339. The next prime is 31522043102383. The reversal of 31522043102342 is 24320134022513.

It is a junction number, because it is equal to n+sod(n) for n = 31522043102299 and 31522043102308.

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, 6818828 + ... + 10466159.

It is an arithmetic number, because the mean of its divisors is an integer number (3182559524277).

Almost surely, 2^{31522043102342} is an apocalyptic number.

31522043102342 is a deficient number, since it is larger than the sum of its proper divisors (19398909286090).

31522043102342 is a wasteful number, since it uses less digits than its factorization.

31522043102342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17355143.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 31522043102342 its reverse (24320134022513), we get a palindrome (55842177124855).

The spelling of 31522043102342 in words is "thirty-one trillion, five hundred twenty-two billion, forty-three million, one hundred two thousand, three hundred forty-two".