940523131 has 2 divisors, whose sum is σ = 940523132. Its totient is φ = 940523130.

The previous prime is 940523119. The next prime is 940523141. The reversal of 940523131 is 131325049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 940523131 - 2⁹ = 940522619 is a prime.

It is a super-2 number, since 2×940523131² = 1769167519892086322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 940523131.

It is not a weakly prime, because it can be changed into another prime (940523141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470261565 + 470261566.

It is an arithmetic number, because the mean of its divisors is an integer number (470261566).

Almost surely, 2^940523131 is an apocalyptic number.

940523131 is a deficient number, since it is larger than the sum of its proper divisors (1).

940523131 is an equidigital number, since it uses as much as digits as its factorization.

940523131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 940523131 is about 30667.9495728032. The cubic root of 940523131 is about 979.7677955334.

The spelling of 940523131 in words is "nine hundred forty million, five hundred twenty-three thousand, one hundred thirty-one".