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131401325253 = 31137222313043
BaseRepresentation
bin111101001100000100…
…0010001101011000101
3110120011120202221111010
41322120020101223011
54123102214402003
6140210454232433
712331150556502
oct1723010215305
9416146687433
10131401325253
11507aa693580
1221572055719
13c5112c8583
1465076444a9
153640dbb003
hex1e98211ac5

131401325253 has 48 divisors (see below), whose sum is σ = 197330466816. Its totient is φ = 77131431360.

The previous prime is 131401325221. The next prime is 131401325267. The reversal of 131401325253 is 352523104131.

It is not a de Polignac number, because 131401325253 - 25 = 131401325221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131401325253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131401325213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10067950 + ... + 10080992.

It is an arithmetic number, because the mean of its divisors is an integer number (4111051392).

Almost surely, 2131401325253 is an apocalyptic number.

It is an amenable number.

131401325253 is a deficient number, since it is larger than the sum of its proper divisors (65929141563).

131401325253 is a wasteful number, since it uses less digits than its factorization.

131401325253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13354 (or 13317 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 131401325253 its reverse (352523104131), we get a palindrome (483924429384).

It can be divided in two parts, 131401 and 325253, that added together give a palindrome (456654).

The spelling of 131401325253 in words is "one hundred thirty-one billion, four hundred one million, three hundred twenty-five thousand, two hundred fifty-three".

Divisors: 1 3 11 33 37 111 223 407 669 1221 1369 2453 4107 7359 8251 13043 15059 24753 39129 45177 90761 143473 272283 305287 430419 482591 915861 1447773 2908589 3358157 5308501 8725767 10074471 15925503 17855867 31994479 53567601 95983437 107617793 196414537 322853379 589243611 1183795723 3551387169 3981858341 11945575023 43800441751 131401325253