30402031013 has 8 divisors (see below), whose sum is σ = 31453724280. Its totient is φ = 29350560960.

The previous prime is 30402030983. The next prime is 30402031027. The reversal of 30402031013 is 31013020403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 175774564 + 30226256449 = 13258^2 + 173857^2 .

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 30402031013 - 2¹⁸ = 30401768869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30402030982 and 30402031000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402030013) 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, 249743 + ... + 350963.

It is an arithmetic number, because the mean of its divisors is an integer number (3931715535).

Almost surely, 2^30402031013 is an apocalyptic number.

It is an amenable number.

30402031013 is a deficient number, since it is larger than the sum of its proper divisors (1051693267).

30402031013 is a wasteful number, since it uses less digits than its factorization.

30402031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111607.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30402031013 its reverse (31013020403), we get a palindrome (61415051416).

The spelling of 30402031013 in words is "thirty billion, four hundred two million, thirty-one thousand, thirteen".