30321145345131 has 16 divisors (see below), whose sum is σ = 46469188269600. Its totient is φ = 19517059072224.

The previous prime is 30321145345109. The next prime is 30321145345147. The reversal of 30321145345131 is 13154354112303.

30321145345131 is a `hidden beast` number, since 3 + 0 + 3 + 2 + 114 + 534 + 5 + 1 + 3 + 1 = 666.

It is not a de Polignac number, because 30321145345131 - 2³¹ = 30318997861483 is a prime.

It is a super-2 number, since 2×30321145345131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30321145345331) 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, 19362160996 + ... + 19362162561.

It is an arithmetic number, because the mean of its divisors is an integer number (2904324266850).

Almost surely, 2^{30321145345131} is an apocalyptic number.

30321145345131 is a deficient number, since it is larger than the sum of its proper divisors (16148042924469).

30321145345131 is a wasteful number, since it uses less digits than its factorization.

30321145345131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38724323595 (or 38724323589 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 30321145345131 its reverse (13154354112303), we get a palindrome (43475499457434).

The spelling of 30321145345131 in words is "thirty trillion, three hundred twenty-one billion, one hundred forty-five million, three hundred forty-five thousand, one hundred thirty-one".