30311301032040 has 128 divisors (see below), whose sum is σ = 103943675324160. Its totient is φ = 6927016402944.

The previous prime is 30311301032009. The next prime is 30311301032053. The reversal of 30311301032040 is 4023010311303.

It is a super-3 number, since 3×30311301032040³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30311301031998 and 30311301032016.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1213752 + ... + 7880088.

It is an arithmetic number, because the mean of its divisors is an integer number (812059963470).

Almost surely, 2^{30311301032040} is an apocalyptic number.

30311301032040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30311301032040 is an abundant number, since it is smaller than the sum of its proper divisors (73632374292120).

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

30311301032040 is a wasteful number, since it uses less digits than its factorization.

30311301032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671771 (or 6671767 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30311301032040 its reverse (4023010311303), we get a palindrome (34334311343343).

The spelling of 30311301032040 in words is "thirty trillion, three hundred eleven billion, three hundred one million, thirty-two thousand, forty".