2136915031 has 4 divisors (see below), whose sum is σ = 2137078512. Its totient is φ = 2136751552.

The previous prime is 2136915029. The next prime is 2136915037. The reversal of 2136915031 is 1305196312.

It is a happy number.

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 2136915031 - 2¹ = 2136915029 is a prime.

It is a super-2 number, since 2×2136915031² = 9132811699427461922, 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 = 2136914984 and 2136915002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136915037) 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, 60250 + ... + 88903.

It is an arithmetic number, because the mean of its divisors is an integer number (534269628).

Almost surely, 2^2136915031 is an apocalyptic number.

2136915031 is a deficient number, since it is larger than the sum of its proper divisors (163481).

2136915031 is a wasteful number, since it uses less digits than its factorization.

2136915031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163480.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 2136915031 is about 46226.7782892124. The cubic root of 2136915031 is about 1288.0392123059.

The spelling of 2136915031 in words is "two billion, one hundred thirty-six million, nine hundred fifteen thousand, thirty-one".