3145113631 has 12 divisors (see below), whose sum is σ = 3457631592. Its totient is φ = 2837198000.

The previous prime is 3145113623. The next prime is 3145113659. The reversal of 3145113631 is 1363115413.

It is not a de Polignac number, because 3145113631 - 2³ = 3145113623 is a prime.

It is a super-3 number, since 3×3145113631³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 3145113631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145113691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180441 + ... + 197101.

It is an arithmetic number, because the mean of its divisors is an integer number (288135966).

Almost surely, 2^3145113631 is an apocalyptic number.

3145113631 is a deficient number, since it is larger than the sum of its proper divisors (312517961).

3145113631 is a wasteful number, since it uses less digits than its factorization.

3145113631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16934 (or 16803 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 3145113631 is about 56081.3126718696. The cubic root of 3145113631 is about 1465.1388362173.

The spelling of 3145113631 in words is "three billion, one hundred forty-five million, one hundred thirteen thousand, six hundred thirty-one".