30312380042 has 32 divisors (see below), whose sum is σ = 52093028352. Its totient is φ = 12958832304.

The previous prime is 30312379973. The next prime is 30312380051. The reversal of 30312380042 is 24008321303.

It is a junction number, because it is equal to n+sod(n) for n = 30312379993 and 30312380020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16999883 + ... + 17001665.

It is an arithmetic number, because the mean of its divisors is an integer number (1627907136).

Almost surely, 2^30312380042 is an apocalyptic number.

30312380042 is a deficient number, since it is larger than the sum of its proper divisors (21780648310).

30312380042 is a wasteful number, since it uses less digits than its factorization.

30312380042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 30312380042 in words is "thirty billion, three hundred twelve million, three hundred eighty thousand, forty-two".