3131014421 has 2 divisors, whose sum is σ = 3131014422. Its totient is φ = 3131014420.

The previous prime is 3131014409. The next prime is 3131014429. The reversal of 3131014421 is 1244101313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3081804196 + 49210225 = 55514^2 + 7015^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131014421 - 2¹⁰ = 3131013397 is a prime.

It is a super-3 number, since 3×3131014421³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3131014393 and 3131014402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131014429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565507210 + 1565507211.

It is an arithmetic number, because the mean of its divisors is an integer number (1565507211).

Almost surely, 2^3131014421 is an apocalyptic number.

It is an amenable number.

3131014421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131014421 is an equidigital number, since it uses as much as digits as its factorization.

3131014421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3131014421 is about 55955.4681957001. The cubic root of 3131014421 is about 1462.9462026248.

Adding to 3131014421 its reverse (1244101313), we get a palindrome (4375115734).

The spelling of 3131014421 in words is "three billion, one hundred thirty-one million, fourteen thousand, four hundred twenty-one".