69130031 has 4 divisors (see below), whose sum is σ = 71360064. Its totient is φ = 66900000.

The previous prime is 69130027. The next prime is 69130043. The reversal of 69130031 is 13003196.

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

It is a cyclic number.

It is not a de Polignac number, because 69130031 - 2² = 69130027 is a prime.

It is a super-2 number, since 2×69130031² = 9557922372121922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69129979 and 69130006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69130231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114970 + ... + 1115031.

It is an arithmetic number, because the mean of its divisors is an integer number (17840016).

Almost surely, 2^69130031 is an apocalyptic number.

69130031 is a deficient number, since it is larger than the sum of its proper divisors (2230033).

69130031 is a wasteful number, since it uses less digits than its factorization.

69130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230032.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 69130031 is about 8314.4471253355. The cubic root of 69130031 is about 410.4140789837.

The spelling of 69130031 in words is "sixty-nine million, one hundred thirty thousand, thirty-one".