314021220551 has 4 divisors (see below), whose sum is σ = 332493057072. Its totient is φ = 295549384032.

The previous prime is 314021220529. The next prime is 314021220589. The reversal of 314021220551 is 155022120413.

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

It is a cyclic number.

It is not a de Polignac number, because 314021220551 - 2¹⁰ = 314021219527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 314021220551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314021220251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9235918235 + ... + 9235918268.

It is an arithmetic number, because the mean of its divisors is an integer number (83123264268).

Almost surely, 2^314021220551 is an apocalyptic number.

314021220551 is a deficient number, since it is larger than the sum of its proper divisors (18471836521).

314021220551 is a wasteful number, since it uses less digits than its factorization.

314021220551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18471836520.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 314021220551 its reverse (155022120413), we get a palindrome (469043340964).

The spelling of 314021220551 in words is "three hundred fourteen billion, twenty-one million, two hundred twenty thousand, five hundred fifty-one".