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31141250466 = 2337140275903
BaseRepresentation
bin11101000000001010…
…011100010110100010
32222101021202102200220
4131000022130112202
51002234130003331
622150041023510
72151465155454
oct350012342642
988337672626
1031141250466
1112230473437
126051184b96
132c23959831
141715c442d4
15c23e0c296
hex74029c5a2

31141250466 has 16 divisors (see below), whose sum is σ = 63965812224. Its totient is φ = 10099864944.

The previous prime is 31141250423. The next prime is 31141250501. The reversal of 31141250466 is 66405214113.

It is a super-2 number, since 2×311412504662 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70137730 + ... + 70138173.

It is an arithmetic number, because the mean of its divisors is an integer number (3997863264).

Almost surely, 231141250466 is an apocalyptic number.

31141250466 is an abundant number, since it is smaller than the sum of its proper divisors (32824561758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31141250466 is a wasteful number, since it uses less digits than its factorization.

31141250466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140275945.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 31141250466 its reverse (66405214113), we get a palindrome (97546464579).

The spelling of 31141250466 in words is "thirty-one billion, one hundred forty-one million, two hundred fifty thousand, four hundred sixty-six".

Divisors: 1 2 3 6 37 74 111 222 140275903 280551806 420827709 841655418 5190208411 10380416822 15570625233 31141250466