2130669931 has 4 divisors (see below), whose sum is σ = 2294567632. Its totient is φ = 1966772232.

The previous prime is 2130669913. The next prime is 2130669949. The reversal of 2130669931 is 1399660312.

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

It is an interprime number because it is at equal distance from previous prime (2130669913) and next prime (2130669949).

It is a cyclic number.

It is not a de Polignac number, because 2130669931 - 2⁷ = 2130669803 is a prime.

It is a super-3 number, since 3×2130669931³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130669131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81948831 + ... + 81948856.

It is an arithmetic number, because the mean of its divisors is an integer number (573641908).

Almost surely, 2^2130669931 is an apocalyptic number.

2130669931 is a deficient number, since it is larger than the sum of its proper divisors (163897701).

2130669931 is a wasteful number, since it uses less digits than its factorization.

2130669931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163897700.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 2130669931 is about 46159.1803545080. The cubic root of 2130669931 is about 1286.7832299817.

It can be divided in two parts, 2130669 and 931, that added together give a square (2131600 = 1460²).

The spelling of 2130669931 in words is "two billion, one hundred thirty million, six hundred sixty-nine thousand, nine hundred thirty-one".