30378312013 has 8 divisors (see below), whose sum is σ = 36545337920. Its totient is φ = 24668102880.

The previous prime is 30378311969. The next prime is 30378312023. The reversal of 30378312013 is 31021387303.

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 30378312013 - 2¹³ = 30378303821 is a prime.

It is a super-2 number, since 2×30378312013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30378312023) 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, 114204048 + ... + 114204313.

It is an arithmetic number, because the mean of its divisors is an integer number (4568167240).

Almost surely, 2^30378312013 is an apocalyptic number.

It is an amenable number.

30378312013 is a deficient number, since it is larger than the sum of its proper divisors (6167025907).

30378312013 is a wasteful number, since it uses less digits than its factorization.

30378312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228408387.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 30378312013 its reverse (31021387303), we get a palindrome (61399699316).

The spelling of 30378312013 in words is "thirty billion, three hundred seventy-eight million, three hundred twelve thousand, thirteen".