2067697131 has 16 divisors (see below), whose sum is σ = 2924536608. Its totient is φ = 1294963200.

The previous prime is 2067697127. The next prime is 2067697157. The reversal of 2067697131 is 1317967602.

It is not a de Polignac number, because 2067697131 - 2² = 2067697127 is a prime.

It is a super-2 number, since 2×2067697131² = 8550742851091262322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2067697111) 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, 9880 + ... + 65061.

It is an arithmetic number, because the mean of its divisors is an integer number (182783538).

Almost surely, 2^2067697131 is an apocalyptic number.

2067697131 is a deficient number, since it is larger than the sum of its proper divisors (856839477).

2067697131 is a wasteful number, since it uses less digits than its factorization.

2067697131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75502.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 2067697131 is about 45471.9378408266. The cubic root of 2067697131 is about 1273.9791148274.

The spelling of 2067697131 in words is "two billion, sixty-seven million, six hundred ninety-seven thousand, one hundred thirty-one".