3131654645 has 8 divisors (see below), whose sum is σ = 4294840704. Its totient is φ = 2147420304.

The previous prime is 3131654633. The next prime is 3131654653. The reversal of 3131654645 is 5464561313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3131654645 - 2¹⁸ = 3131392501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3131654599 and 3131654608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44737889 + ... + 44737958.

It is an arithmetic number, because the mean of its divisors is an integer number (536855088).

Almost surely, 2^3131654645 is an apocalyptic number.

3131654645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3131654645 is a deficient number, since it is larger than the sum of its proper divisors (1163186059).

3131654645 is an equidigital number, since it uses as much as digits as its factorization.

3131654645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89475859.

The product of its digits is 129600, while the sum is 38.

The square root of 3131654645 is about 55961.1887382675. The cubic root of 3131654645 is about 1463.0459093345.

The spelling of 3131654645 in words is "three billion, one hundred thirty-one million, six hundred fifty-four thousand, six hundred forty-five".