30131450530 has 16 divisors (see below), whose sum is σ = 54595796544. Its totient is φ = 11972761200.

The previous prime is 30131450527. The next prime is 30131450551. The reversal of 30131450530 is 3505413103.

It is a super-2 number, since 2×30131450530² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30131450495 and 30131450504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9975792 + ... + 9978811.

It is an arithmetic number, because the mean of its divisors is an integer number (3412237284).

Almost surely, 2^30131450530 is an apocalyptic number.

30131450530 is a deficient number, since it is larger than the sum of its proper divisors (24464346014).

30131450530 is a wasteful number, since it uses less digits than its factorization.

30131450530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19954761.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 30131450530 its reverse (3505413103), we get a palindrome (33636863633).

The spelling of 30131450530 in words is "thirty billion, one hundred thirty-one million, four hundred fifty thousand, five hundred thirty".