3132154021 has 2 divisors, whose sum is σ = 3132154022. Its totient is φ = 3132154020.

The previous prime is 3132153979. The next prime is 3132154027. The reversal of 3132154021 is 1204512313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1910651521 + 1221502500 = 43711^2 + 34950^2 .

It is a cyclic number.

It is not a de Polignac number, because 3132154021 - 2⁹ = 3132153509 is a prime.

It is a super-2 number, since 2×3132154021² = 19620777622532936882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3132153983 and 3132154001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3132154027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566077010 + 1566077011.

It is an arithmetic number, because the mean of its divisors is an integer number (1566077011).

Almost surely, 2^3132154021 is an apocalyptic number.

It is an amenable number.

3132154021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3132154021 is an equidigital number, since it uses as much as digits as its factorization.

3132154021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3132154021 is about 55965.6503669885. The cubic root of 3132154021 is about 1463.1236713343.

Adding to 3132154021 its reverse (1204512313), we get a palindrome (4336666334).

The spelling of 3132154021 in words is "three billion, one hundred thirty-two million, one hundred fifty-four thousand, twenty-one".