30213211531403 has 2 divisors, whose sum is σ = 30213211531404. Its totient is φ = 30213211531402.

The previous prime is 30213211531379. The next prime is 30213211531439. The reversal of 30213211531403 is 30413511231203.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30213211531403 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30213211531453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106605765701 + 15106605765702.

It is an arithmetic number, because the mean of its divisors is an integer number (15106605765702).

Almost surely, 2^{30213211531403} is an apocalyptic number.

30213211531403 is a deficient number, since it is larger than the sum of its proper divisors (1).

30213211531403 is an equidigital number, since it uses as much as digits as its factorization.

30213211531403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 30213211531403 its reverse (30413511231203), we get a palindrome (60626722762606).

The spelling of 30213211531403 in words is "thirty trillion, two hundred thirteen billion, two hundred eleven million, five hundred thirty-one thousand, four hundred three".