30461131620351 has 8 divisors (see below), whose sum is σ = 45127602400560. Its totient is φ = 20307421080216.

The previous prime is 30461131620343. The next prime is 30461131620377. The reversal of 30461131620351 is 15302613116403.

30461131620351 is a `hidden beast` number, since 3 + 0 + 4 + 611 + 3 + 1 + 6 + 2 + 0 + 35 + 1 = 666.

It is not a de Polignac number, because 30461131620351 - 2³ = 30461131620343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30461131620341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564095029980 + ... + 564095030033.

It is an arithmetic number, because the mean of its divisors is an integer number (5640950300070).

Almost surely, 2^{30461131620351} is an apocalyptic number.

30461131620351 is a deficient number, since it is larger than the sum of its proper divisors (14666470780209).

30461131620351 is a wasteful number, since it uses less digits than its factorization.

30461131620351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128190060022 (or 1128190060016 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 30461131620351 its reverse (15302613116403), we get a palindrome (45763744736754).

The spelling of 30461131620351 in words is "thirty trillion, four hundred sixty-one billion, one hundred thirty-one million, six hundred twenty thousand, three hundred fifty-one".