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31400441210 = 253140044121
BaseRepresentation
bin11101001111100111…
…001011010101111010
310000001100110200120002
4131033213023111322
51003302003104320
622231500233002
72161063226555
oct351747132572
9100040420502
1031400441210
1112353804266
126103b3b762
132c65569638
14173c43369c
15c3ba59675
hex74f9cb57a

31400441210 has 8 divisors (see below), whose sum is σ = 56520794196. Its totient is φ = 12560176480.

The previous prime is 31400441207. The next prime is 31400441213. The reversal of 31400441210 is 1214400413.

It is an interprime number because it is at equal distance from previous prime (31400441207) and next prime (31400441213).

It can be written as a sum of positive squares in 2 ways, for example, as 28903740121 + 2496701089 = 170011^2 + 49967^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31400441213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570022051 + ... + 1570022070.

Almost surely, 231400441210 is an apocalyptic number.

31400441210 is a deficient number, since it is larger than the sum of its proper divisors (25120352986).

31400441210 is a wasteful number, since it uses less digits than its factorization.

31400441210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140044128.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31400441210 its reverse (1214400413), we get a palindrome (32614841623).

The spelling of 31400441210 in words is "thirty-one billion, four hundred million, four hundred forty-one thousand, two hundred ten".

Divisors: 1 2 5 10 3140044121 6280088242 15700220605 31400441210