2531141632 has 24 divisors (see below), whose sum is σ = 5061051450. Its totient is φ = 1265569792.

The previous prime is 2531141581. The next prime is 2531141633. The reversal of 2531141632 is 2361411352.

It can be written as a sum of positive squares in only one way, i.e., 1541661696 + 989479936 = 39264^2 + 31456^2 .

It is a super-2 number, since 2×2531141632² = 12813355922487246848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2531141632.

It is not an unprimeable number, because it can be changed into a prime (2531141633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615907 + ... + 620002.

Almost surely, 2^2531141632 is an apocalyptic number.

It is an amenable number.

2531141632 is a deficient number, since it is larger than the sum of its proper divisors (2529909818).

2531141632 is an equidigital number, since it uses as much as digits as its factorization.

2531141632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235931 (or 1235911 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 2531141632 is about 50310.4525123756. The cubic root of 2531141632 is about 1362.8209956824.

Adding to 2531141632 its reverse (2361411352), we get a palindrome (4892552984).

The spelling of 2531141632 in words is "two billion, five hundred thirty-one million, one hundred forty-one thousand, six hundred thirty-two".