309434019102 has 32 divisors (see below), whose sum is σ = 740525859360. Its totient is φ = 95210467200.

The previous prime is 309434019073. The next prime is 309434019113. The reversal of 309434019102 is 201910434903.

309434019102 is a `hidden beast` number, since 30 + 9 + 434 + 0 + 191 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220393899 + ... + 220395302.

It is an arithmetic number, because the mean of its divisors is an integer number (23141433105).

Almost surely, 2^309434019102 is an apocalyptic number.

309434019102 is an abundant number, since it is smaller than the sum of its proper divisors (431091840258).

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

309434019102 is a wasteful number, since it uses less digits than its factorization.

309434019102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440789225 (or 440789219 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 309434019102 in words is "three hundred nine billion, four hundred thirty-four million, nineteen thousand, one hundred two".