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2031151201 = 4721317019
BaseRepresentation
bin111100100010000…
…1110100001100001
312020112222011122021
41321010032201201
513124433314301
6533314341441
7101222333422
oct17104164141
95215864567
102031151201
11952593a62
1248828a881
13264a63321
14153a87649
15bd4b78a1
hex7910e861

2031151201 has 12 divisors (see below), whose sum is σ = 2091426480. Its totient is φ = 1972479080.

The previous prime is 2031151079. The next prime is 2031151207. The reversal of 2031151201 is 1021511302.

It is not a de Polignac number, because 2031151201 - 215 = 2031118433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031151207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285870 + ... + 292888.

It is an arithmetic number, because the mean of its divisors is an integer number (174285540).

Almost surely, 22031151201 is an apocalyptic number.

It is an amenable number.

2031151201 is a deficient number, since it is larger than the sum of its proper divisors (60275279).

2031151201 is an equidigital number, since it uses as much as digits as its factorization.

2031151201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244 (or 7197 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 2031151201 is about 45068.2948534776. The cubic root of 2031151201 is about 1266.4287212862.

Adding to 2031151201 its reverse (1021511302), we get a palindrome (3052662503).

The spelling of 2031151201 in words is "two billion, thirty-one million, one hundred fifty-one thousand, two hundred one".

Divisors: 1 47 131 2209 6157 7019 289379 329893 919489 15504971 43215983 2031151201