30142872046 has 12 divisors (see below), whose sum is σ = 52596236088. Its totient is φ = 12918373692.

The previous prime is 30142872043. The next prime is 30142872059. The reversal of 30142872046 is 64027824103.

It is a super-2 number, since 2×30142872046² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30142871996 and 30142872014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142872043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153790066 + ... + 153790261.

It is an arithmetic number, because the mean of its divisors is an integer number (4383019674).

Almost surely, 2^30142872046 is an apocalyptic number.

30142872046 is a deficient number, since it is larger than the sum of its proper divisors (22453364042).

30142872046 is a wasteful number, since it uses less digits than its factorization.

30142872046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307580343 (or 307580336 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 30142872046 in words is "thirty billion, one hundred forty-two million, eight hundred seventy-two thousand, forty-six".