302031434140 has 12 divisors (see below), whose sum is σ = 634266011736. Its totient is φ = 120812573648.

The previous prime is 302031434137. The next prime is 302031434147. The reversal of 302031434140 is 41434130203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302031434147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7550785834 + ... + 7550785873.

It is an arithmetic number, because the mean of its divisors is an integer number (52855500978).

Almost surely, 2^302031434140 is an apocalyptic number.

It is an amenable number.

302031434140 is an abundant number, since it is smaller than the sum of its proper divisors (332234577596).

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

302031434140 is a wasteful number, since it uses less digits than its factorization.

302031434140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15101571716 (or 15101571714 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 302031434140 its reverse (41434130203), we get a palindrome (343465564343).

The spelling of 302031434140 in words is "three hundred two billion, thirty-one million, four hundred thirty-four thousand, one hundred forty".