302130400342132 has 48 divisors (see below), whose sum is σ = 532373931140688. Its totient is φ = 150025879157760.

The previous prime is 302130400342109. The next prime is 302130400342139. The reversal of 302130400342132 is 231243004031203.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 55240956245476 + 246889444096656 = 7432426^2 + 15712716^2 .

It is a super-2 number, since 2×302130400342132² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 302130400342132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302130400342139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6726392938 + ... + 6726437854.

It is an arithmetic number, because the mean of its divisors is an integer number (11091123565431).

Almost surely, 2^{302130400342132} is an apocalyptic number.

It is an amenable number.

302130400342132 is a deficient number, since it is larger than the sum of its proper divisors (230243530798556).

302130400342132 is a wasteful number, since it uses less digits than its factorization.

302130400342132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57556 (or 57554 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 302130400342132 its reverse (231243004031203), we get a palindrome (533373404373335).

The spelling of 302130400342132 in words is "three hundred two trillion, one hundred thirty billion, four hundred million, three hundred forty-two thousand, one hundred thirty-two".