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31430122102401 = 3114159393727963
BaseRepresentation
bin1110010010101111001010…
…10000110101111010000001
311010021200122020201220100020
413021113211100311322001
513104422342224234101
6150502444311044053
76422515503603621
oct711274520657201
9133250566656306
1031430122102401
11a0184925aa750
123637450370629
13146cb037c0049
147a9324306881
15397882631136
hex1c95e5435e81

31430122102401 has 32 divisors (see below), whose sum is σ = 47625334525440. Its totient is φ = 18268977436800.

The previous prime is 31430122102397. The next prime is 31430122102409. The reversal of 31430122102401 is 10420122103413.

It is not a de Polignac number, because 31430122102401 - 22 = 31430122102397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31430122102409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196784155 + ... + 196943808.

It is an arithmetic number, because the mean of its divisors is an integer number (1488291703920).

Almost surely, 231430122102401 is an apocalyptic number.

It is an amenable number.

31430122102401 is a deficient number, since it is larger than the sum of its proper divisors (16195212423039).

31430122102401 is a wasteful number, since it uses less digits than its factorization.

31430122102401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393728077.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 31430122102401 its reverse (10420122103413), we get a palindrome (41850244205814).

The spelling of 31430122102401 in words is "thirty-one trillion, four hundred thirty billion, one hundred twenty-two million, one hundred two thousand, four hundred one".

Divisors: 1 3 11 33 41 59 123 177 451 649 1353 1947 2419 7257 26609 79827 393727963 1181183889 4331007593 12993022779 16142846483 23229949817 48428539449 69689849451 177571311313 255529447987 532713933939 766588343961 952427942497 2857283827491 10476707367467 31430122102401