30900432046 has 16 divisors (see below), whose sum is σ = 51173555328. Its totient is φ = 13876425400.

The previous prime is 30900432001. The next prime is 30900432053. The reversal of 30900432046 is 64023400903.

It is a super-2 number, since 2×30900432046² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30900431999 and 30900432017.

It is a congruent number.

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, 8459410 + ... + 8463061.

It is an arithmetic number, because the mean of its divisors is an integer number (3198347208).

Almost surely, 2^30900432046 is an apocalyptic number.

30900432046 is a deficient number, since it is larger than the sum of its proper divisors (20273123282).

30900432046 is a wasteful number, since it uses less digits than its factorization.

30900432046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16922567.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 30900432046 its reverse (64023400903), we get a palindrome (94923832949).

The spelling of 30900432046 in words is "thirty billion, nine hundred million, four hundred thirty-two thousand, forty-six".