30011312000 has 64 divisors (see below), whose sum is σ = 74615664240. Its totient is φ = 12004518400.

The previous prime is 30011311931. The next prime is 30011312029. The reversal of 30011312000 is 21311003.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×30011312000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921854 + ... + 953853.

Almost surely, 2^30011312000 is an apocalyptic number.

It is an amenable number.

30011312000 is an abundant number, since it is smaller than the sum of its proper divisors (44604352240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30011312000 is an equidigital number, since it uses as much as digits as its factorization.

30011312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875736 (or 1875714 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30011312000 its reverse (21311003), we get a palindrome (30032623003).

The spelling of 30011312000 in words is "thirty billion, eleven million, three hundred twelve thousand".