5031098261 has 4 divisors (see below), whose sum is σ = 5749826592. Its totient is φ = 4312369932.

The previous prime is 5031098257. The next prime is 5031098287. The reversal of 5031098261 is 1628901305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5031098261 - 2² = 5031098257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5031098251) 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, 359364155 + ... + 359364168.

It is an arithmetic number, because the mean of its divisors is an integer number (1437456648).

Almost surely, 2^5031098261 is an apocalyptic number.

It is an amenable number.

5031098261 is a deficient number, since it is larger than the sum of its proper divisors (718728331).

5031098261 is an equidigital number, since it uses as much as digits as its factorization.

5031098261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718728330.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 5031098261 is about 70930.2351680861. The cubic root of 5031098261 is about 1713.5137739840.

Adding to 5031098261 its reverse (1628901305), we get a palindrome (6659999566).

The spelling of 5031098261 in words is "five billion, thirty-one million, ninety-eight thousand, two hundred sixty-one".