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131011113310401 = 31922456910234897
BaseRepresentation
bin11101110010011101100110…
…110111101101100011000001
3122011212112120202002101010210
4131302131212313231203001
5114132441230001413101
61142345401413144333
736411145343063412
oct3562354667554301
9564775522071123
10131011113310401
1138820557013775
121283a9b892b0a9
1358143ab09c42c
14244cd8656d809
151022d767d27d6
hex772766ded8c1

131011113310401 has 16 divisors (see below), whose sum is σ = 183876083508800. Its totient is φ = 82743484497408.

The previous prime is 131011113310373. The next prime is 131011113310457. The reversal of 131011113310401 is 104013311110131.

It is not a de Polignac number, because 131011113310401 - 223 = 131011104921793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131011113320401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7682985 + ... + 17917881.

It is an arithmetic number, because the mean of its divisors is an integer number (11492255219300).

Almost surely, 2131011113310401 is an apocalyptic number.

It is an amenable number.

131011113310401 is a deficient number, since it is larger than the sum of its proper divisors (52864970198399).

131011113310401 is a wasteful number, since it uses less digits than its factorization.

131011113310401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10459488.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 131011113310401 its reverse (104013311110131), we get a palindrome (235024424420532).

The spelling of 131011113310401 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirteen million, three hundred ten thousand, four hundred one".

Divisors: 1 3 19 57 224569 673707 4266811 10234897 12800433 30704691 194463043 583389129 2298440584393 6895321753179 43670371103467 131011113310401