305144042130 has 32 divisors (see below), whose sum is σ = 813717446400. Its totient is φ = 81371744496.

The previous prime is 305144042113. The next prime is 305144042149. The reversal of 305144042130 is 31240441503.

It is a happy number.

305144042130 is a `hidden beast` number, since 3 + 0 + 5 + 1 + 440 + 4 + 213 + 0 = 666.

It is a super-2 number, since 2×305144042130² (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 305144042094 and 305144042103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565081290 + ... + 565081829.

It is an arithmetic number, because the mean of its divisors is an integer number (25428670200).

Almost surely, 2^305144042130 is an apocalyptic number.

305144042130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305144042130 is an abundant number, since it is smaller than the sum of its proper divisors (508573404270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305144042130 is a wasteful number, since it uses less digits than its factorization.

305144042130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130163135 (or 1130163129 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 305144042130 its reverse (31240441503), we get a palindrome (336384483633).

The spelling of 305144042130 in words is "three hundred five billion, one hundred forty-four million, forty-two thousand, one hundred thirty".