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31210132421133 = 3215122965513187
BaseRepresentation
bin1110001100010101011001…
…10110110011101000001101
311002111122210210100012020100
413012022230312303220031
513042321322344434013
6150213423100441313
76400600114300521
oct706125466635015
9132448723305210
1031210132421133
119a43163118106
123600896249239
131455144c99c03
1479c815467d81
15391ca92cd473
hex1c62acdb3a0d

31210132421133 has 12 divisors (see below), whose sum is σ = 45379854059488. Its totient is φ = 20668961867400.

The previous prime is 31210132421093. The next prime is 31210132421141. The reversal of 31210132421133 is 33112423101213.

31210132421133 is a `hidden beast` number, since 3 + 1 + 2 + 101 + 3 + 2 + 421 + 133 = 666.

It is not a de Polignac number, because 31210132421133 - 210 = 31210132420109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31210132421097 and 31210132421106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31210132421233) 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 11 ways as a sum of consecutive naturals, for example, 11482755235 + ... + 11482757952.

Almost surely, 231210132421133 is an apocalyptic number.

It is an amenable number.

31210132421133 is a deficient number, since it is larger than the sum of its proper divisors (14169721638355).

31210132421133 is a wasteful number, since it uses less digits than its factorization.

31210132421133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22965513344 (or 22965513341 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 31210132421133 its reverse (33112423101213), we get a palindrome (64322555522346).

The spelling of 31210132421133 in words is "thirty-one trillion, two hundred ten billion, one hundred thirty-two million, four hundred twenty-one thousand, one hundred thirty-three".

Divisors: 1 3 9 151 453 1359 22965513187 68896539561 206689618683 3467792491237 10403377473711 31210132421133