2030115531 has 4 divisors (see below), whose sum is σ = 2706820712. Its totient is φ = 1353410352.

The previous prime is 2030115491. The next prime is 2030115541. The reversal of 2030115531 is 1355110302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2030115531 - 2⁹ = 2030115019 is a prime.

It is a super-2 number, since 2×2030115531² = 8242738138414823922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2030115498 and 2030115507.

It is not an unprimeable number, because it can be changed into a prime (2030115541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338352586 + ... + 338352591.

It is an arithmetic number, because the mean of its divisors is an integer number (676705178).

Almost surely, 2^2030115531 is an apocalyptic number.

2030115531 is a deficient number, since it is larger than the sum of its proper divisors (676705181).

2030115531 is an equidigital number, since it uses as much as digits as its factorization.

2030115531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676705180.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 2030115531 is about 45056.8033819533. The cubic root of 2030115531 is about 1266.2134369322.

Adding to 2030115531 its reverse (1355110302), we get a palindrome (3385225833).

The spelling of 2030115531 in words is "two billion, thirty million, one hundred fifteen thousand, five hundred thirty-one".