30421460531 has 16 divisors (see below), whose sum is σ = 39577102848. Its totient is φ = 22674379200.

The previous prime is 30421460497. The next prime is 30421460551. The reversal of 30421460531 is 13506412403.

It is not a de Polignac number, because 30421460531 - 2²² = 30417266227 is a prime.

It is a super-2 number, since 2×30421460531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30421460494 and 30421460503.

It is not an unprimeable number, because it can be changed into a prime (30421460551) 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, 8587010 + ... + 8590551.

It is an arithmetic number, because the mean of its divisors is an integer number (2473568928).

Almost surely, 2^30421460531 is an apocalyptic number.

30421460531 is a deficient number, since it is larger than the sum of its proper divisors (9155642317).

30421460531 is a wasteful number, since it uses less digits than its factorization.

30421460531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17177602.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 30421460531 its reverse (13506412403), we get a palindrome (43927872934).

The spelling of 30421460531 in words is "thirty billion, four hundred twenty-one million, four hundred sixty thousand, five hundred thirty-one".