2173298631 has 16 divisors (see below), whose sum is σ = 3361123584. Its totient is φ = 1223348544.

The previous prime is 2173298629. The next prime is 2173298651. The reversal of 2173298631 is 1368923712.

2173298631 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2173298631 - 2¹ = 2173298629 is a prime.

It is a super-2 number, since 2×2173298631² = 9446453879012948322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173298651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770910 + ... + 773723.

It is an arithmetic number, because the mean of its divisors is an integer number (210070224).

Almost surely, 2^2173298631 is an apocalyptic number.

2173298631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2173298631 is a deficient number, since it is larger than the sum of its proper divisors (1187824953).

2173298631 is a wasteful number, since it uses less digits than its factorization.

2173298631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544710.

The product of its digits is 108864, while the sum is 42.

The square root of 2173298631 is about 46618.6511066118. The cubic root of 2173298631 is about 1295.3082615143.

The spelling of 2173298631 in words is "two billion, one hundred seventy-three million, two hundred ninety-eight thousand, six hundred thirty-one".