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31034430401043 = 312781455197903
BaseRepresentation
bin1110000111001110001000…
…01100110010101000010011
311001212212021210222210000210
413003213010030302220103
513031432003140313133
6150001004232415203
76352110054621216
oct703470414625023
9131785253883023
1031034430401043
11998569a993943
12359281bb47503
1314416c3918554
147941083cb77d
1538c4240aa763
hex1c39c4332a13

31034430401043 has 8 divisors (see below), whose sum is σ = 41705061326848. Its totient is φ = 20526709871304.

The previous prime is 31034430400949. The next prime is 31034430401063. The reversal of 31034430401043 is 34010403443013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31034430401043 - 216 = 31034430335507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31034430401043.

It is not an unprimeable number, because it can be changed into a prime (31034430401063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40727598571 + ... + 40727599332.

It is an arithmetic number, because the mean of its divisors is an integer number (5213132665856).

Almost surely, 231034430401043 is an apocalyptic number.

31034430401043 is a deficient number, since it is larger than the sum of its proper divisors (10670630925805).

31034430401043 is a wasteful number, since it uses less digits than its factorization.

31034430401043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81455198033.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 31034430401043 its reverse (34010403443013), we get a palindrome (65044833844056).

The spelling of 31034430401043 in words is "thirty-one trillion, thirty-four billion, four hundred thirty million, four hundred one thousand, forty-three".

Divisors: 1 3 127 381 81455197903 244365593709 10344810133681 31034430401043