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31403141310 = 2352345511799
BaseRepresentation
bin11101001111110001…
…011110100010111110
310000001112112212101210
4131033301132202332
51003303201010220
622232034145250
72161125203562
oct351761364276
9100045485353
1031403141310
1112355288952
126104a22226
132c65ca3628
14173c9376a2
15c3bdde6e0
hex74fc5e8be

31403141310 has 32 divisors (see below), whose sum is σ = 78644390400. Its totient is φ = 8010076448.

The previous prime is 31403141303. The next prime is 31403141311. The reversal of 31403141310 is 1314130413.

It is a super-2 number, since 2×314031413102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31403141311) 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, 22755210 + ... + 22756589.

It is an arithmetic number, because the mean of its divisors is an integer number (2457637200).

Almost surely, 231403141310 is an apocalyptic number.

31403141310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31403141310 is an abundant number, since it is smaller than the sum of its proper divisors (47241249090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31403141310 is a wasteful number, since it uses less digits than its factorization.

31403141310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45511832.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31403141310 its reverse (1314130413), we get a palindrome (32717271723).

The spelling of 31403141310 in words is "thirty-one billion, four hundred three million, one hundred forty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 45511799 91023598 136535397 227558995 273070794 455117990 682676985 1046771377 1365353970 2093542754 3140314131 5233856885 6280628262 10467713770 15701570655 31403141310