3141551978 has 8 divisors (see below), whose sum is σ = 4712921472. Its totient is φ = 1570578156.

The previous prime is 3141551977. The next prime is 3141552019. The reversal of 3141551978 is 8791551413.

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

It is not an unprimeable number, because it can be changed into a prime (3141551977) 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, 78200 + ... + 111347.

It is an arithmetic number, because the mean of its divisors is an integer number (589115184).

Almost surely, 2^3141551978 is an apocalyptic number.

3141551978 is a deficient number, since it is larger than the sum of its proper divisors (1571369494).

3141551978 is a wasteful number, since it uses less digits than its factorization.

3141551978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197836.

The product of its digits is 151200, while the sum is 44.

The square root of 3141551978 is about 56049.5493113013. The cubic root of 3141551978 is about 1464.5855666279.

The spelling of 3141551978 in words is "three billion, one hundred forty-one million, five hundred fifty-one thousand, nine hundred seventy-eight".