130311912 has 32 divisors (see below), whose sum is σ = 327336480. Its totient is φ = 43229760.

The previous prime is 130311911. The next prime is 130311913. The reversal of 130311912 is 219113031.

It is an interprime number because it is at equal distance from previous prime (130311911) and next prime (130311913).

It is not an unprimeable number, because it can be changed into a prime (130311911) 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, 7803 + ... + 17930.

It is an arithmetic number, because the mean of its divisors is an integer number (10229265).

Almost surely, 2^130311912 is an apocalyptic number.

130311912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130311912 is an abundant number, since it is smaller than the sum of its proper divisors (197024568).

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

130311912 is a wasteful number, since it uses less digits than its factorization.

130311912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25953 (or 25949 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 130311912 is about 11415.4243022325. The cubic root of 130311912 is about 506.9845277695.

Adding to 130311912 its reverse (219113031), we get a palindrome (349424943).

The spelling of 130311912 in words is "one hundred thirty million, three hundred eleven thousand, nine hundred twelve".