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31441212010 = 2513241855477
BaseRepresentation
bin11101010010000010…
…101101001001101010
310000011012012001120201
4131102002231021222
51003342422241020
622235514142414
72162066615065
oct352202551152
9100135161521
1031441212010
1112374820a3a
126115721a0a
132c70b42c80
141743a078dc
15c4040ea0a
hex7520ad26a

31441212010 has 16 divisors (see below), whose sum is σ = 60947580456. Its totient is φ = 11609062848.

The previous prime is 31441211959. The next prime is 31441212013. The reversal of 31441212010 is 1021214413.

It can be written as a sum of positive squares in 4 ways, for example, as 26525659689 + 4915552321 = 162867^2 + 70111^2 .

It is not an unprimeable number, because it can be changed into a prime (31441212013) 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, 120927609 + ... + 120927868.

Almost surely, 231441212010 is an apocalyptic number.

31441212010 is a deficient number, since it is larger than the sum of its proper divisors (29506368446).

31441212010 is a wasteful number, since it uses less digits than its factorization.

31441212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241855497.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31441212010 its reverse (1021214413), we get a palindrome (32462426423).

The spelling of 31441212010 in words is "thirty-one billion, four hundred forty-one million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 13 26 65 130 241855477 483710954 1209277385 2418554770 3144121201 6288242402 15720606005 31441212010