2131131451 has 2 divisors, whose sum is σ = 2131131452. Its totient is φ = 2131131450.

The previous prime is 2131131437. The next prime is 2131131461. The reversal of 2131131451 is 1541311312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2131131451 - 2¹⁹ = 2130607163 is a prime.

It is a super-2 number, since 2×2131131451² = 9083442522882730802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2131131461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065565725 + 1065565726.

It is an arithmetic number, because the mean of its divisors is an integer number (1065565726).

Almost surely, 2^2131131451 is an apocalyptic number.

2131131451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131131451 is an equidigital number, since it uses as much as digits as its factorization.

2131131451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 22.

The square root of 2131131451 is about 46164.1793060377. The cubic root of 2131131451 is about 1286.8761324242.

Adding to 2131131451 its reverse (1541311312), we get a palindrome (3672442763).

The spelling of 2131131451 in words is "two billion, one hundred thirty-one million, one hundred thirty-one thousand, four hundred fifty-one".