2131762306 has 8 divisors (see below), whose sum is σ = 3300793344. Its totient is φ = 1031497860.

The previous prime is 2131762301. The next prime is 2131762313. The reversal of 2131762306 is 6032671312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (2131762301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17191570 + ... + 17191693.

It is an arithmetic number, because the mean of its divisors is an integer number (412599168).

Almost surely, 2^2131762306 is an apocalyptic number.

2131762306 is a deficient number, since it is larger than the sum of its proper divisors (1169031038).

2131762306 is a wasteful number, since it uses less digits than its factorization.

2131762306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34383296.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2131762306 is about 46171.0115332120. The cubic root of 2131762306 is about 1287.0030997447.

The spelling of 2131762306 in words is "two billion, one hundred thirty-one million, seven hundred sixty-two thousand, three hundred six".