2130315520 has 72 divisors (see below), whose sum is σ = 5111144640. Its totient is φ = 850728960.

The previous prime is 2130315493. The next prime is 2130315547. The reversal of 2130315520 is 255130312.

It is an interprime number because it is at equal distance from previous prime (2130315493) and next prime (2130315547).

It is a super-3 number, since 3×2130315520³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2130315491 and 2130315500.

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, 1175415 + ... + 1177225.

It is an arithmetic number, because the mean of its divisors is an integer number (70988120).

Almost surely, 2^2130315520 is an apocalyptic number.

2130315520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130315520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555572320).

2130315520 is an abundant number, since it is smaller than the sum of its proper divisors (2980829120).

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

2130315520 is an equidigital number, since it uses as much as digits as its factorization.

2130315520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2737 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2130315520 is about 46155.3411860426. The cubic root of 2130315520 is about 1286.7118791180.

Adding to 2130315520 its reverse (255130312), we get a palindrome (2385445832).

The spelling of 2130315520 in words is "two billion, one hundred thirty million, three hundred fifteen thousand, five hundred twenty".