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31030072979134 = 2531911532652029
BaseRepresentation
bin1110000111000110000000…
…11110100010111010111110
311001212110001010201210220011
413003203000132202322332
513031344042140313014
6145555004014013434
76351564064266235
oct703430036427276
9131773033653804
1031030072979134
119983864276309
123591a047a727a
13144117ac426a8
14793c137d7b1c
1538c26b7827c4
hex1c38c07a2ebe

31030072979134 has 16 divisors (see below), whose sum is σ = 47671608741120. Its totient is φ = 15142602036640.

The previous prime is 31030072979053. The next prime is 31030072979137. The reversal of 31030072979134 is 43197927003013.

It is a super-3 number, since 3×310300729791343 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030072979137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766305769 + ... + 766346260.

It is an arithmetic number, because the mean of its divisors is an integer number (2979475546320).

Almost surely, 231030072979134 is an apocalyptic number.

31030072979134 is a deficient number, since it is larger than the sum of its proper divisors (16641535761986).

31030072979134 is a wasteful number, since it uses less digits than its factorization.

31030072979134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532652275.

The product of its (nonzero) digits is 857304, while the sum is 49.

The spelling of 31030072979134 in words is "thirty-one trillion, thirty billion, seventy-two million, nine hundred seventy-nine thousand, one hundred thirty-four".

Divisors: 1 2 53 106 191 382 10123 20246 1532652029 3065304058 81230557537 162461115074 292736537539 585473075078 15515036489567 31030072979134