310890130 has 8 divisors (see below), whose sum is σ = 559602252. Its totient is φ = 124356048.

The previous prime is 310890091. The next prime is 310890131. The reversal of 310890130 is 31098013.

It can be written as a sum of positive squares in 2 ways, for example, as 310358689 + 531441 = 17617^2 + 729^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 310890095 and 310890104.

It is not an unprimeable number, because it can be changed into a prime (310890131) 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, 15544497 + ... + 15544516.

Almost surely, 2^310890130 is an apocalyptic number.

310890130 is a deficient number, since it is larger than the sum of its proper divisors (248712122).

310890130 is a wasteful number, since it uses less digits than its factorization.

310890130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31089020.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 310890130 is about 17632.0767353140. The cubic root of 310890130 is about 677.4371014986.

The spelling of 310890130 in words is "three hundred ten million, eight hundred ninety thousand, one hundred thirty".