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31411463430 = 2353173302993
BaseRepresentation
bin11101010000010001…
…001110010100000110
310000002010012200012110
4131100101032110012
51003312313312210
622232532401450
72161256014404
oct352021162406
9100063180173
1031411463430
1112359a52436
126107776286
132c67928569
14173daa2474
15c3c9d5420
hex75044e506

31411463430 has 32 divisors (see below), whose sum is σ = 75625350624. Its totient is φ = 8349963776.

The previous prime is 31411463383. The next prime is 31411463443. The reversal of 31411463430 is 3436411413.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1641987 + ... + 1661006.

It is an arithmetic number, because the mean of its divisors is an integer number (2363292207).

Almost surely, 231411463430 is an apocalyptic number.

31411463430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31411463430 is an abundant number, since it is smaller than the sum of its proper divisors (44213887194).

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

31411463430 is a wasteful number, since it uses less digits than its factorization.

31411463430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303320.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 31411463430 its reverse (3436411413), we get a palindrome (34847874843).

The spelling of 31411463430 in words is "thirty-one billion, four hundred eleven million, four hundred sixty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 317 634 951 1585 1902 3170 4755 9510 3302993 6605986 9908979 16514965 19817958 33029930 49544895 99089790 1047048781 2094097562 3141146343 5235243905 6282292686 10470487810 15705731715 31411463430