30311201001000 has 128 divisors (see below), whose sum is σ = 95507294088960. Its totient is φ = 8002957280000.

The previous prime is 30311201000959. The next prime is 30311201001091. The reversal of 30311201001000 is 10010211303.

It is a super-2 number, since 2×30311201001000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 49715484 + ... + 50321483.

It is an arithmetic number, because the mean of its divisors is an integer number (746150735070).

Almost surely, 2^{30311201001000} is an apocalyptic number.

30311201001000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30311201001000 is an abundant number, since it is smaller than the sum of its proper divisors (65196093087960).

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

30311201001000 is a wasteful number, since it uses less digits than its factorization.

30311201001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100037092 (or 100037078 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30311201001000 its reverse (10010211303), we get a palindrome (30321211212303).

The spelling of 30311201001000 in words is "thirty trillion, three hundred eleven billion, two hundred one million, one thousand".