312743141 has 4 divisors (see below), whose sum is σ = 312794400. Its totient is φ = 312691884.

The previous prime is 312743117. The next prime is 312743149. The reversal of 312743141 is 141347213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312743141 - 2²² = 308548837 is a prime.

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 312743141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312743149) 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, 15011 + ... + 29168.

It is an arithmetic number, because the mean of its divisors is an integer number (78198600).

Almost surely, 2^312743141 is an apocalyptic number.

It is an amenable number.

312743141 is a deficient number, since it is larger than the sum of its proper divisors (51259).

312743141 is an equidigital number, since it uses as much as digits as its factorization.

312743141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51258.

The product of its digits is 2016, while the sum is 26.

The square root of 312743141 is about 17684.5452585018. The cubic root of 312743141 is about 678.7803548474.

The spelling of 312743141 in words is "three hundred twelve million, seven hundred forty-three thousand, one hundred forty-one".