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1102031997 = 311313106693
BaseRepresentation
bin100000110101111…
…1010110001111101
32211210200000200220
41001223322301331
54224110010442
6301204211553
736211055163
oct10153726175
92753600626
101102031997
11516082a50
12269099bb9
13147412851
14a650b233
1566b37eec
hex41afac7d

1102031997 has 16 divisors (see below), whose sum is σ = 1608091968. Its totient is φ = 665758080.

The previous prime is 1102031981. The next prime is 1102032007. The reversal of 1102031997 is 7991302011.

It is not a de Polignac number, because 1102031997 - 24 = 1102031981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102031897) 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, 43018 + ... + 63675.

It is an arithmetic number, because the mean of its divisors is an integer number (100505748).

Almost surely, 21102031997 is an apocalyptic number.

It is an amenable number.

1102031997 is a deficient number, since it is larger than the sum of its proper divisors (506059971).

1102031997 is a wasteful number, since it uses less digits than its factorization.

1102031997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107020.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1102031997 is about 33196.8672768983. The cubic root of 1102031997 is about 1032.9153578250.

The spelling of 1102031997 in words is "one billion, one hundred two million, thirty-one thousand, nine hundred ninety-seven".

Divisors: 1 3 11 33 313 939 3443 10329 106693 320079 1173623 3520869 33394909 100184727 367343999 1102031997