920283131 has 4 divisors (see below), whose sum is σ = 922750752. Its totient is φ = 917815512.

The previous prime is 920283127. The next prime is 920283179. The reversal of 920283131 is 131382029.

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 920283131 - 2² = 920283127 is a prime.

It is a super-2 number, since 2×920283131² = 1693842082406326322, 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 = 920283094 and 920283103.

It is not an unprimeable number, because it can be changed into a prime (920283101) 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, 1233251 + ... + 1233996.

It is an arithmetic number, because the mean of its divisors is an integer number (230687688).

Almost surely, 2^920283131 is an apocalyptic number.

920283131 is a deficient number, since it is larger than the sum of its proper divisors (2467621).

920283131 is a wasteful number, since it uses less digits than its factorization.

920283131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467620.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 920283131 is about 30336.1686934919. The cubic root of 920283131 is about 972.6885877418.

It can be divided in two parts, 92028 and 3131, that added together give a palindrome (95159).

The spelling of 920283131 in words is "nine hundred twenty million, two hundred eighty-three thousand, one hundred thirty-one".