3148621631 has 2 divisors, whose sum is σ = 3148621632. Its totient is φ = 3148621630.

The previous prime is 3148621513. The next prime is 3148621643. The reversal of 3148621631 is 1361268413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3148621631 - 2²⁶ = 3081512767 is a prime.

It is a super-2 number, since 2×3148621631² = 19827636350402200322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3148621591 and 3148621600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3148621681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574310815 + 1574310816.

It is an arithmetic number, because the mean of its divisors is an integer number (1574310816).

Almost surely, 2^3148621631 is an apocalyptic number.

3148621631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3148621631 is an equidigital number, since it uses as much as digits as its factorization.

3148621631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 3148621631 is about 56112.5799709833. The cubic root of 3148621631 is about 1465.6833631579.

The spelling of 3148621631 in words is "three billion, one hundred forty-eight million, six hundred twenty-one thousand, six hundred thirty-one".