31301231000130 has 192 divisors, whose sum is σ = 100801930215168. Its totient is φ = 6562150433280.

The previous prime is 31301231000129. The next prime is 31301231000131. The reversal of 31301231000130 is 3100013210313.

It is a happy number.

31301231000130 is a `hidden beast` number, since 3 + 1 + 301 + 231 + 0 + 0 + 0 + 130 = 666.

It is an interprime number because it is at equal distance from previous prime (31301231000129) and next prime (31301231000131).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31301231000131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10885776 + ... + 13457435.

It is an arithmetic number, because the mean of its divisors is an integer number (525010053204).

Almost surely, 2^{31301231000130} is an apocalyptic number.

31301231000130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31301231000130 is an abundant number, since it is smaller than the sum of its proper divisors (69500699215038).

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

31301231000130 is a wasteful number, since it uses less digits than its factorization.

31301231000130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24343401 (or 24343398 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 31301231000130 its reverse (3100013210313), we get a palindrome (34401244210443).

The spelling of 31301231000130 in words is "thirty-one trillion, three hundred one billion, two hundred thirty-one million, one hundred thirty", and thus it is an aban number.