1106431656342 has 32 divisors (see below), whose sum is σ = 2218581598464. Its totient is φ = 367858327200.

The previous prime is 1106431656287. The next prime is 1106431656353. The reversal of 1106431656342 is 2436561346011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1106431656294 and 1106431656303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5339592 + ... + 5542932.

It is an arithmetic number, because the mean of its divisors is an integer number (69330674952).

Almost surely, 2^{1106431656342} is an apocalyptic number.

1106431656342 is an abundant number, since it is smaller than the sum of its proper divisors (1112149942122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1106431656342 is a wasteful number, since it uses less digits than its factorization.

1106431656342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205684.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 1106431656342 in words is "one trillion, one hundred six billion, four hundred thirty-one million, six hundred fifty-six thousand, three hundred forty-two".