2012402531 has 2 divisors, whose sum is σ = 2012402532. Its totient is φ = 2012402530.

The previous prime is 2012402473. The next prime is 2012402569. The reversal of 2012402531 is 1352042102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012402531 is a prime.

It is a super-2 number, since 2×2012402531² = 8099527893550411922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2012402831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006201265 + 1006201266.

It is an arithmetic number, because the mean of its divisors is an integer number (1006201266).

Almost surely, 2^2012402531 is an apocalyptic number.

2012402531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012402531 is an equidigital number, since it uses as much as digits as its factorization.

2012402531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2012402531 is about 44859.8097521601. The cubic root of 2012402531 is about 1262.5200532187.

Adding to 2012402531 its reverse (1352042102), we get a palindrome (3364444633).

The spelling of 2012402531 in words is "two billion, twelve million, four hundred two thousand, five hundred thirty-one".