3148631 has 4 divisors (see below), whose sum is σ = 3285552. Its totient is φ = 3011712.

The previous prime is 3148627. The next prime is 3148633. The reversal of 3148631 is 1368413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1368413 = 61 ⋅22433.

It is not a de Polignac number, because 3148631 - 2² = 3148627 is a prime.

It is a super-2 number, since 2×3148631² = 19827754348322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3148631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3148633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68426 + ... + 68471.

It is an arithmetic number, because the mean of its divisors is an integer number (821388).

Almost surely, 2^3148631 is an apocalyptic number.

3148631 is a deficient number, since it is larger than the sum of its proper divisors (136921).

3148631 is a wasteful number, since it uses less digits than its factorization.

3148631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136920.

The product of its digits is 1728, while the sum is 26.

The square root of 3148631 is about 1774.4382209590. The cubic root of 3148631 is about 146.5684816913.

The spelling of 3148631 in words is "three million, one hundred forty-eight thousand, six hundred thirty-one".