2121536031 has 8 divisors (see below), whose sum is σ = 2951702400. Its totient is φ = 1352863512.

The previous prime is 2121536017. The next prime is 2121536033. The reversal of 2121536031 is 1306351212.

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

It is not a de Polignac number, because 2121536031 - 2⁶ = 2121535967 is a prime.

It is a super-2 number, since 2×2121536031² = 9001830261662465922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121535992 and 2121536010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121536033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15373381 + ... + 15373518.

It is an arithmetic number, because the mean of its divisors is an integer number (368962800).

Almost surely, 2^2121536031 is an apocalyptic number.

2121536031 is a deficient number, since it is larger than the sum of its proper divisors (830166369).

2121536031 is a wasteful number, since it uses less digits than its factorization.

2121536031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30746925.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2121536031 is about 46060.1349433542. The cubic root of 2121536031 is about 1284.9418397372.

Adding to 2121536031 its reverse (1306351212), we get a palindrome (3427887243).

The spelling of 2121536031 in words is "two billion, one hundred twenty-one million, five hundred thirty-six thousand, thirty-one".