30143343402 has 40 divisors (see below), whose sum is σ = 71098341600. Its totient is φ = 9518949576.

The previous prime is 30143343401. The next prime is 30143343407. The reversal of 30143343402 is 20434334103.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30143343401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4893502 + ... + 4899657.

It is an arithmetic number, because the mean of its divisors is an integer number (1777458540).

Almost surely, 2^30143343402 is an apocalyptic number.

30143343402 is an abundant number, since it is smaller than the sum of its proper divisors (40954998198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30143343402 is a wasteful number, since it uses less digits than its factorization.

30143343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9793192 (or 9793183 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 30143343402 its reverse (20434334103), we get a palindrome (50577677505).

The spelling of 30143343402 in words is "thirty billion, one hundred forty-three million, three hundred forty-three thousand, four hundred two".