30212200131 has 32 divisors (see below), whose sum is σ = 44072275968. Its totient is φ = 18326891520.

The previous prime is 30212200129. The next prime is 30212200141. The reversal of 30212200131 is 13100221203.

It is not a de Polignac number, because 30212200131 - 2¹ = 30212200129 is a prime.

It is a super-2 number, since 2×30212200131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30212200131.

It is not an unprimeable number, because it can be changed into a prime (30212200111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1671615 + ... + 1689591.

It is an arithmetic number, because the mean of its divisors is an integer number (1377258624).

Almost surely, 2^30212200131 is an apocalyptic number.

30212200131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30212200131 is a deficient number, since it is larger than the sum of its proper divisors (13860075837).

30212200131 is a wasteful number, since it uses less digits than its factorization.

30212200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19091.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30212200131 its reverse (13100221203), we get a palindrome (43312421334).

The spelling of 30212200131 in words is "thirty billion, two hundred twelve million, two hundred thousand, one hundred thirty-one".