30347603405 has 24 divisors (see below), whose sum is σ = 42389785080. Its totient is φ = 20796518400.

The previous prime is 30347603399. The next prime is 30347603411. The reversal of 30347603405 is 50430674303.

It is an interprime number because it is at equal distance from previous prime (30347603399) and next prime (30347603411).

It can be written as a sum of positive squares in 4 ways, for example, as 3374796649 + 26972806756 = 58093^2 + 164234^2 .

It is not a de Polignac number, because 30347603405 - 2¹⁰ = 30347602381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353561 + ... + 430929.

It is an arithmetic number, because the mean of its divisors is an integer number (1766241045).

Almost surely, 2^30347603405 is an apocalyptic number.

30347603405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30347603405 is a deficient number, since it is larger than the sum of its proper divisors (12042181675).

30347603405 is a wasteful number, since it uses less digits than its factorization.

30347603405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78989 (or 78982 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 35.

The spelling of 30347603405 in words is "thirty billion, three hundred forty-seven million, six hundred three thousand, four hundred five".