302130551421 has 16 divisors (see below), whose sum is σ = 453732337920. Its totient is φ = 198661183200.

The previous prime is 302130551419. The next prime is 302130551431. The reversal of 302130551421 is 124155031203.

302130551421 is a `hidden beast` number, since 302 + 1 + 305 + 51 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 302130551421 - 2¹ = 302130551419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302130551431) 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 15 ways as a sum of consecutive naturals, for example, 76642005 + ... + 76645946.

It is an arithmetic number, because the mean of its divisors is an integer number (28358271120).

Almost surely, 2^302130551421 is an apocalyptic number.

It is an amenable number.

302130551421 is a deficient number, since it is larger than the sum of its proper divisors (151601786499).

302130551421 is a wasteful number, since it uses less digits than its factorization.

302130551421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153288033 (or 153288027 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 302130551421 its reverse (124155031203), we get a palindrome (426285582624).

The spelling of 302130551421 in words is "three hundred two billion, one hundred thirty million, five hundred fifty-one thousand, four hundred twenty-one".