1042628313 has 4 divisors (see below), whose sum is σ = 1390171088. Its totient is φ = 695085540.

The previous prime is 1042628303. The next prime is 1042628347. The reversal of 1042628313 is 3138262401.

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 not a de Polignac number, because 1042628313 - 2⁹ = 1042627801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042628303) 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, 173771383 + ... + 173771388.

It is an arithmetic number, because the mean of its divisors is an integer number (347542772).

Almost surely, 2^1042628313 is an apocalyptic number.

It is an amenable number.

1042628313 is a deficient number, since it is larger than the sum of its proper divisors (347542775).

1042628313 is an equidigital number, since it uses as much as digits as its factorization.

1042628313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347542774.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1042628313 is about 32289.7555425866. The cubic root of 1042628313 is about 1014.0121794381.

It can be divided in two parts, 104262 and 8313, that added together give a triangular number (112575 = T₄₇₄).

The spelling of 1042628313 in words is "one billion, forty-two million, six hundred twenty-eight thousand, three hundred thirteen".