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31404233240413 = 1129439439242551
BaseRepresentation
bin1110010001111110111100…
…01010101010111101011101
311010012012211000021110002221
413020333132022222331131
513104011332202143123
6150442523334545341
76420611114113105
oct710773612527535
9133165730243087
1031404233240413
11a008507a59540
123632426208251
13146a53908c9b7
147a7d89ca2205
15396d698d225d
hex1c8fde2aaf5d

31404233240413 has 32 divisors (see below), whose sum is σ = 36268703539200. Its totient is φ = 26920837944000.

The previous prime is 31404233240389. The next prime is 31404233240417.

31404233240413 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31404233240413 - 25 = 31404233240381 is a prime.

It is a super-3 number, since 3×314042332404133 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31404233240417) 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, 129353488 + ... + 129596038.

It is an arithmetic number, because the mean of its divisors is an integer number (1133396985600).

Almost surely, 231404233240413 is an apocalyptic number.

It is an amenable number.

31404233240413 is a deficient number, since it is larger than the sum of its proper divisors (4864470298787).

31404233240413 is a wasteful number, since it uses less digits than its factorization.

31404233240413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252073.

The product of its (nonzero) digits is 82944, while the sum is 34.

It can be divided in two parts, 3140423 and 3240413, that added together give a palindrome (6380836).

The spelling of 31404233240413 in words is "thirty-one trillion, four hundred four billion, two hundred thirty-three million, two hundred forty thousand, four hundred thirteen".

Divisors: 1 11 29 43 319 473 1247 9439 13717 103829 242551 273731 405877 2668061 3011041 4464647 7033979 10429693 11770433 77373769 114726623 129474763 302461097 2289438889 3327072067 25183827779 66393727781 98445872227 730331005591 1082904594497 2854930294583 31404233240413