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31011032013313 = 1121531309421611
BaseRepresentation
bin1110000110100010100011…
…00011000001101000000001
311001210121220010210112012211
413003101101203001220001
513031041043143411223
6145542134344022121
76350321165613322
oct703212143015001
9131717803715184
1031011032013313
11997678312a920
12358a18ba61941
13143c435160901
14792d28a38449
1538ba04d04d0d
hex1c34518c1a01

31011032013313 has 8 divisors (see below), whose sum is σ = 33845929826976. Its totient is φ = 28178753047200.

The previous prime is 31011032013277. The next prime is 31011032013347. The reversal of 31011032013313 is 31331023011013.

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

It is a cyclic number.

It is not a de Polignac number, because 31011032013313 - 233 = 31002442078721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31011032013713) 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, 654687123 + ... + 654734488.

It is an arithmetic number, because the mean of its divisors is an integer number (4230741228372).

Almost surely, 231011032013313 is an apocalyptic number.

It is an amenable number.

31011032013313 is a deficient number, since it is larger than the sum of its proper divisors (2834897813663).

31011032013313 is a wasteful number, since it uses less digits than its factorization.

31011032013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309423775.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31011032013313 its reverse (31331023011013), we get a palindrome (62342055024326).

The spelling of 31011032013313 in words is "thirty-one trillion, eleven billion, thirty-two million, thirteen thousand, three hundred thirteen".

Divisors: 1 11 2153 23683 1309421611 14403637721 2819184728483 31011032013313