301130040 has 32 divisors (see below), whose sum is σ = 903390480. Its totient is φ = 80301312.

The previous prime is 301130023. The next prime is 301130077. The reversal of 301130040 is 40031103.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 301129998 and 301130025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254589 + ... + 1254828.

Almost surely, 2^301130040 is an apocalyptic number.

301130040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

301130040 is an abundant number, since it is smaller than the sum of its proper divisors (602260440).

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

301130040 is a wasteful number, since it uses less digits than its factorization.

301130040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509431 (or 2509427 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 301130040 is about 17353.0988587053. The cubic root of 301130040 is about 670.2724369153.

Adding to 301130040 its reverse (40031103), we get a palindrome (341161143).

The spelling of 301130040 in words is "three hundred one million, one hundred thirty thousand, forty".