2098118631 has 32 divisors (see below), whose sum is σ = 3388331520. Its totient is φ = 1127356416.

The previous prime is 2098118629. The next prime is 2098118639. The reversal of 2098118631 is 1368118902.

It is not a de Polignac number, because 2098118631 - 2¹ = 2098118629 is a prime.

It is a super-2 number, since 2×2098118631² = 8804203579498628322, 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 2098118631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098118639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529600 + ... + 533546.

It is an arithmetic number, because the mean of its divisors is an integer number (105885360).

Almost surely, 2^2098118631 is an apocalyptic number.

2098118631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2098118631 is a deficient number, since it is larger than the sum of its proper divisors (1290212889).

2098118631 is a wasteful number, since it uses less digits than its factorization.

2098118631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 2098118631 is about 45805.2249312237. The cubic root of 2098118631 is about 1280.1966313727.

The spelling of 2098118631 in words is "two billion, ninety-eight million, one hundred eighteen thousand, six hundred thirty-one".