310020949 has 4 divisors (see below), whose sum is σ = 354309664. Its totient is φ = 265732236.

The previous prime is 310020943. The next prime is 310020973. The reversal of 310020949 is 949020013.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 949020013 = 1433 ⋅662261.

It is not a de Polignac number, because 310020949 - 2⁹ = 310020437 is a prime.

It is a super-2 number, since 2×310020949² = 192225977637721202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310020943) 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, 22144347 + ... + 22144360.

It is an arithmetic number, because the mean of its divisors is an integer number (88577416).

Almost surely, 2^310020949 is an apocalyptic number.

It is an amenable number.

310020949 is a deficient number, since it is larger than the sum of its proper divisors (44288715).

310020949 is an equidigital number, since it uses as much as digits as its factorization.

310020949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44288714.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 310020949 is about 17607.4117632320. The cubic root of 310020949 is about 676.8051901066.

The spelling of 310020949 in words is "three hundred ten million, twenty thousand, nine hundred forty-nine".