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131012031202 = 21322512238527
BaseRepresentation
bin111101000000011101…
…1001111001011100010
3110112011110020202102221
41322000323033023202
54121303034444302
6140104110301254
712315412614433
oct1720073171342
9415143222387
10131012031202
115061a970158
12214837b782a
13c47b764c70
1464aba6948a
15361bb1e937
hex1e80ecf2e2

131012031202 has 16 divisors (see below), whose sum is σ = 211728932352. Its totient is φ = 60440202000.

The previous prime is 131012031179. The next prime is 131012031211. The reversal of 131012031202 is 202130210131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060738 + ... + 1177789.

It is an arithmetic number, because the mean of its divisors is an integer number (13233058272).

Almost surely, 2131012031202 is an apocalyptic number.

131012031202 is a deficient number, since it is larger than the sum of its proper divisors (80716901150).

131012031202 is a wasteful number, since it uses less digits than its factorization.

131012031202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240793.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131012031202 its reverse (202130210131), we get a palindrome (333142241333).

The spelling of 131012031202 in words is "one hundred thirty-one billion, twelve million, thirty-one thousand, two hundred two".

Divisors: 1 2 13 26 2251 4502 29263 58526 2238527 4477054 29100851 58201702 5038924277 10077848554 65506015601 131012031202