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3031021331997 = 32794336157193
BaseRepresentation
bin101100000110110110111…
…100110010011000011101
3101201202121002101012221020
4230012312330302120131
5344130012430110442
610240233150154353
7431661351141201
oct54066674623035
911652532335836
103031021331997
11a694a358363a
1240b522ab29b9
1318ca93690959
14a69b8c42b01
1553c9cd649ec
hex2c1b6f3261d

3031021331997 has 8 divisors (see below), whose sum is σ = 4041506516544. Its totient is φ = 2020608517728.

The previous prime is 3031021331981. The next prime is 3031021332037. The reversal of 3031021331997 is 7991331201303.

3031021331997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3031021331997 - 24 = 3031021331981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031021333997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17994768 + ... + 18162425.

It is an arithmetic number, because the mean of its divisors is an integer number (505188314568).

Almost surely, 23031021331997 is an apocalyptic number.

It is an amenable number.

3031021331997 is a deficient number, since it is larger than the sum of its proper divisors (1010485184547).

3031021331997 is a wasteful number, since it uses less digits than its factorization.

3031021331997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36185139.

The product of its (nonzero) digits is 91854, while the sum is 42.

The spelling of 3031021331997 in words is "three trillion, thirty-one billion, twenty-one million, three hundred thirty-one thousand, nine hundred ninety-seven".

Divisors: 1 3 27943 83829 36157193 108471579 1010340443999 3031021331997