314531722221540 has 96 divisors (see below), whose sum is σ = 889425804524544. Its totient is φ = 83043064665600.

The previous prime is 314531722221533. The next prime is 314531722221559. The reversal of 314531722221540 is 45122227135413.

It is a junction number, because it is equal to n+sod(n) for n = 314531722221492 and 314531722221501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328986682 + ... + 329941358.

It is an arithmetic number, because the mean of its divisors is an integer number (9264852130464).

Almost surely, 2^{314531722221540} is an apocalyptic number.

314531722221540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

314531722221540 is an abundant number, since it is smaller than the sum of its proper divisors (574894082303004).

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

314531722221540 is a wasteful number, since it uses less digits than its factorization.

314531722221540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009157 (or 1009155 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

Adding to 314531722221540 its reverse (45122227135413), we get a palindrome (359653949356953).

The spelling of 314531722221540 in words is "three hundred fourteen trillion, five hundred thirty-one billion, seven hundred twenty-two million, two hundred twenty-one thousand, five hundred forty".