30355141152421 has 4 divisors (see below), whose sum is σ = 31334339254144. Its totient is φ = 29375943050700.

The previous prime is 30355141152317. The next prime is 30355141152433. The reversal of 30355141152421 is 12425114155303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30355141152421 is a prime.

It is a super-2 number, since 2×30355141152421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30355141152461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489599050815 + ... + 489599050876.

It is an arithmetic number, because the mean of its divisors is an integer number (7833584813536).

Almost surely, 2^{30355141152421} is an apocalyptic number.

30355141152421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30355141152421 is a deficient number, since it is larger than the sum of its proper divisors (979198101723).

30355141152421 is an equidigital number, since it uses as much as digits as its factorization.

30355141152421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979198101722.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 30355141152421 in words is "thirty trillion, three hundred fifty-five billion, one hundred forty-one million, one hundred fifty-two thousand, four hundred twenty-one".