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31004314102 = 215502157051
BaseRepresentation
bin11100111000000000…
…000100100111110110
32222000202002100022201
4130320000010213312
51001444101022402
622124310015114
72145213215206
oct347000044766
988022070281
1031004314102
1112170144093
12601334749a
132c01482ab8
14170199a406
15c16dad687
hex7380049f6

31004314102 has 4 divisors (see below), whose sum is σ = 46506471156. Its totient is φ = 15502157050.

The previous prime is 31004314097. The next prime is 31004314147. The reversal of 31004314102 is 20141340013.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×310043141022 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31004314102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7751078524 + ... + 7751078527.

It is an arithmetic number, because the mean of its divisors is an integer number (11626617789).

Almost surely, 231004314102 is an apocalyptic number.

31004314102 is a deficient number, since it is larger than the sum of its proper divisors (15502157054).

31004314102 is a wasteful number, since it uses less digits than its factorization.

31004314102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15502157053.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31004314102 its reverse (20141340013), we get a palindrome (51145654115).

The spelling of 31004314102 in words is "thirty-one billion, four million, three hundred fourteen thousand, one hundred two".

Divisors: 1 2 15502157051 31004314102