1231641151342 has 32 divisors (see below), whose sum is σ = 2123764614144. Its totient is φ = 524759925600.

The previous prime is 1231641151333. The next prime is 1231641151357. The reversal of 1231641151342 is 2431511461321.

It is a junction number, because it is equal to n+sod(n) for n = 1231641151298 and 1231641151307.

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, 1346992 + ... + 2068252.

It is an arithmetic number, because the mean of its divisors is an integer number (66367644192).

Almost surely, 2^{1231641151342} is an apocalyptic number.

1231641151342 is a deficient number, since it is larger than the sum of its proper divisors (892123462802).

1231641151342 is a wasteful number, since it uses less digits than its factorization.

1231641151342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721984.

The product of its digits is 17280, while the sum is 34.

The spelling of 1231641151342 in words is "one trillion, two hundred thirty-one billion, six hundred forty-one million, one hundred fifty-one thousand, three hundred forty-two".