30212440031 has 8 divisors (see below), whose sum is σ = 30901969344. Its totient is φ = 29524857120.

The previous prime is 30212440007. The next prime is 30212440043. The reversal of 30212440031 is 13004421203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30212440031 - 2³⁴ = 13032570847 is a prime.

It is a super-2 number, since 2×30212440031² (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 = 30212439985 and 30212440012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212440051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455180 + ... + 517313.

It is an arithmetic number, because the mean of its divisors is an integer number (3862746168).

Almost surely, 2^30212440031 is an apocalyptic number.

30212440031 is a deficient number, since it is larger than the sum of its proper divisors (689529313).

30212440031 is an equidigital number, since it uses as much as digits as its factorization.

30212440031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973201.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30212440031 its reverse (13004421203), we get a palindrome (43216861234).

The spelling of 30212440031 in words is "thirty billion, two hundred twelve million, four hundred forty thousand, thirty-one".