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311431130030 = 2531143113003
BaseRepresentation
bin1001000100000101011…
…11011110101110101110
31002202212011121121012102
410202002233132232232
520100302332130110
6355023001535102
731333360633136
oct4420257365656
91082764547172
10311431130030
111100938324a9
12504357a4492
13234a2176c87
141110539bac6
15817b0105a5
hex4882bdebae

311431130030 has 8 divisors (see below), whose sum is σ = 560576034072. Its totient is φ = 124572452008.

The previous prime is 311431130009. The next prime is 311431130069. The reversal of 311431130030 is 30031134113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 311431129984 and 311431130011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15571556492 + ... + 15571556511.

It is an arithmetic number, because the mean of its divisors is an integer number (70072004259).

Almost surely, 2311431130030 is an apocalyptic number.

311431130030 is a deficient number, since it is larger than the sum of its proper divisors (249144904042).

311431130030 is a wasteful number, since it uses less digits than its factorization.

311431130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31143113010.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 311431130030 its reverse (30031134113), we get a palindrome (341462264143).

The spelling of 311431130030 in words is "three hundred eleven billion, four hundred thirty-one million, one hundred thirty thousand, thirty".

Divisors: 1 2 5 10 31143113003 62286226006 155715565015 311431130030