31315124210130 has 192 divisors, whose sum is σ = 85273674490368. Its totient is φ = 8267898562560.

The previous prime is 31315124210107. The next prime is 31315124210137. The reversal of 31315124210130 is 3101242151313.

31315124210130 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 512 + 4 + 2 + 10 + 130 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31315124210094 and 31315124210103.

It is not an unprimeable number, because it can be changed into a prime (31315124210137) 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, 257229975 + ... + 257351685.

It is an arithmetic number, because the mean of its divisors is an integer number (444133721304).

Almost surely, 2^{31315124210130} is an apocalyptic number.

31315124210130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31315124210130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42636837245184).

31315124210130 is an abundant number, since it is smaller than the sum of its proper divisors (53958550280238).

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

31315124210130 is a wasteful number, since it uses less digits than its factorization.

31315124210130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122783 (or 122771 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 31315124210130 its reverse (3101242151313), we get a palindrome (34416366361443).

The spelling of 31315124210130 in words is "thirty-one trillion, three hundred fifteen billion, one hundred twenty-four million, two hundred ten thousand, one hundred thirty".