307690931143 has 4 divisors (see below), whose sum is σ = 307763180280. Its totient is φ = 307618682008.

The previous prime is 307690931131. The next prime is 307690931147. The reversal of 307690931143 is 341139096703.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-307690931143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 307690931093 and 307690931102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307690931147) 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, 36118180 + ... + 36126697.

It is an arithmetic number, because the mean of its divisors is an integer number (76940795070).

Almost surely, 2^307690931143 is an apocalyptic number.

307690931143 is a deficient number, since it is larger than the sum of its proper divisors (72249137).

307690931143 is an equidigital number, since it uses as much as digits as its factorization.

307690931143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72249136.

The product of its (nonzero) digits is 367416, while the sum is 46.

The spelling of 307690931143 in words is "three hundred seven billion, six hundred ninety million, nine hundred thirty-one thousand, one hundred forty-three".