30980495 has 48 divisors (see below), whose sum is σ = 47573568. Its totient is φ = 19192320.

The previous prime is 30980491. The next prime is 30980533. The reversal of 30980495 is 59408903.

It is not a de Polignac number, because 30980495 - 2² = 30980491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30980491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226067 + ... + 226203.

It is an arithmetic number, because the mean of its divisors is an integer number (991116).

Almost surely, 2^30980495 is an apocalyptic number.

30980495 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30980495 is a deficient number, since it is larger than the sum of its proper divisors (16593073).

30980495 is a wasteful number, since it uses less digits than its factorization.

30980495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 30980495 is about 5566.0124865113. The cubic root of 30980495 is about 314.0721668683.

The spelling of 30980495 in words is "thirty million, nine hundred eighty thousand, four hundred ninety-five".