305315412542 has 32 divisors (see below), whose sum is σ = 546251116032. Its totient is φ = 125138163744.

The previous prime is 305315412511. The next prime is 305315412547. The reversal of 305315412542 is 245214513503.

It is a super-2 number, since 2×305315412542² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305315412547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1800308 + ... + 1962584.

It is an arithmetic number, because the mean of its divisors is an integer number (17070347376).

Almost surely, 2^305315412542 is an apocalyptic number.

305315412542 is a deficient number, since it is larger than the sum of its proper divisors (240935703490).

305315412542 is a wasteful number, since it uses less digits than its factorization.

305315412542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168152.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 305315412542 in words is "three hundred five billion, three hundred fifteen million, four hundred twelve thousand, five hundred forty-two".