306540131403 has 8 divisors (see below), whose sum is σ = 445876554816. Its totient is φ = 185781897800.

The previous prime is 306540131363. The next prime is 306540131437. The reversal of 306540131403 is 304131045603.

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

It is a cyclic number.

It is not a de Polignac number, because 306540131403 - 2¹² = 306540127307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (306540131003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4644547413 + ... + 4644547478.

It is an arithmetic number, because the mean of its divisors is an integer number (55734569352).

Almost surely, 2^306540131403 is an apocalyptic number.

306540131403 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

306540131403 is a deficient number, since it is larger than the sum of its proper divisors (139336423413).

306540131403 is a wasteful number, since it uses less digits than its factorization.

306540131403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289094905.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 306540131403 in words is "three hundred six billion, five hundred forty million, one hundred thirty-one thousand, four hundred three".